| State | Illinois USA |
| Capital | Springfield |
| Short URL | http://thecallphone.com/773 |
| Prefix | Primary City | Company | County | Usage | Introduced |
|---|---|---|---|---|---|
| (773) 201- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 202- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 203- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 204- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 205- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 206- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 207- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 208- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 209- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/31/2000 |
| (773) 210- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/31/2001 |
| (773) 212- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 213- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 214- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 215- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 08/20/2000 |
| (773) 216- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 08/20/2000 |
| (773) 217- | Chicago, IL | Denali Spectrum License | Unknown | 05/19/2009 | |
| (773) 218- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 219- | Chicago, IL | Nextel Communications | Unknown | 07/01/2009 | |
| (773) 220- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 08/20/2000 |
| (773) 221- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 222- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/11/1997 |
| (773) 223- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 224- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 225- | Chicago, IL | T-mobile Usa | Unknown | 03/15/2006 | |
| (773) 226- | Chicago, IL | T-mobile Usa | Unknown | 11/27/2007 | |
| (773) 227- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 228- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 229- | Summit, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 230- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 04/01/1997 |
| (773) 231- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 232- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 233- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 234- | Chicago, IL | Bandwidth.com Clec | Cook | Cell Number | 04/01/1997 |
| (773) 235- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 236- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 04/01/1997 |
| (773) 237- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 238- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 239- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 240- | Chicago, IL | T-mobile Usa | Unknown | 10/16/2007 | |
| (773) 241- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 242- | Cicero, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 243- | Wood Dale, IL | Xo Illinois | Du Page | Landline | 05/18/1998 |
| (773) 244- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 245- | Chicago, IL | Bandwidth.com Clec | Cook | Cell Number | 04/01/1997 |
| (773) 246- | Chicago, IL | Indiana Paging Ntwk | Cook | Cell Number | 11/20/1998 |
| (773) 247- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 248- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 249- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 250- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 251- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 04/01/1997 |
| (773) 252- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 253- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 254- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 255- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 04/01/1997 |
| (773) 256- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 257- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 258- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 259- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 260- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 261- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 262- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 263- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 08/20/2000 |
| (773) 264- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 265- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 266- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 10/13/1999 |
| (773) 267- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 268- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 269- | Chicago, IL | AT&T Local | Cook | Landline | 08/14/1998 |
| (773) 270- | Chicago, IL | Nextel Communications | Unknown | 06/04/2009 | |
| (773) 271- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 272- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 273- | Evanston, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 274- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 275- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 276- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 277- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 278- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 279- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 280- | Chicago, IL | Nextel Communications | Cook | Cell Number | 04/01/1997 |
| (773) 281- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 282- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 283- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 284- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 285- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 286- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 287- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 288- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 289- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 290- | Chicago, IL | Broadwing Communications | Cook | Landline | 07/06/1997 |
| (773) 291- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 292- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 293- | Chicago, IL | Ameritech Illinois | Cook | Landline | 05/10/1999 |
| (773) 294- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 04/01/1997 |
| (773) 295- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 296- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 297- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/11/1997 |
| (773) 298- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 299- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 301- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/31/2000 |
| (773) 302- | Chicago, IL | Nextel Communications | Unknown | 02/26/2009 | |
| (773) 303- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 304- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 305- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 306- | Chicago, IL | AT&T Local | Cook | Landline | 08/14/1998 |
| (773) 307- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 308- | Chicago, IL | Globalcom-il | Cook | Landline | 07/06/1997 |
| (773) 309- | Chicago, IL | Paetec Communications | Cook | Landline | 07/06/1997 |
| (773) 310- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 08/17/2004 |
| (773) 312- | Chicago, IL | Nextel Communications | Unknown | 07/09/2009 | |
| (773) 313- | Chicago, IL | Allegiance Telecom | Cook | Landline | 02/27/1999 |
| (773) 314- | Chicago, IL | Allegiance Telecom | Cook | Landline | 02/27/1999 |
| (773) 315- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 316- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 317- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/13/1999 |
| (773) 318- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 03/27/2005 |
| (773) 319- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 08/17/2004 |
| (773) 320- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 321- | Chicago, IL | Broadwing Communications | Cook | Landline | 07/06/1997 |
| (773) 322- | Chicago, IL | T-mobile Usa | Cook | Landline | 07/06/1997 |
| (773) 323- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 324- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 325- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 326- | Chicago, IL | Broadwing Communications | Cook | Landline | 10/13/1999 |
| (773) 327- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 328- | Chicago, IL | Globalcom-il | Cook | Landline | 07/06/1997 |
| (773) 329- | Chicago, IL | AT&T Local | Cook | Landline | 08/14/1998 |
| (773) 330- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 331- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 01/14/2000 |
| (773) 332- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Landline | 08/14/1998 |
| (773) 333- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 334- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 335- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 08/14/1998 |
| (773) 336- | Chicago, IL | Globalcom-il | Cook | Landline | 07/06/1997 |
| (773) 337- | Chicago, IL | Allegiance Telecom | Cook | Landline | 05/10/1999 |
| (773) 338- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 339- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 340- | Chicago, IL | Ymax Communications Corp. | Unknown | 04/10/2008 | |
| (773) 341- | Chicago, IL | Globalcom-il | Cook | Landline | 07/06/1997 |
| (773) 342- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 343- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 344- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 345- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 346- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 347- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 348- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 349- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 350- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 351- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 352- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/13/1999 |
| (773) 353- | Chicago, IL | Broadwing Communications | Cook | Landline | 01/25/1998 |
| (773) 354- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/31/2000 |
| (773) 355- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 356- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 357- | Chicago, IL | Globalcom-il | Cook | Landline | 07/06/1997 |
| (773) 358- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 359- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 05/18/1998 |
| (773) 360- | Chicago, IL | Broadwing Communications | Cook | Landline | 08/14/1998 |
| (773) 361- | Chicago, IL | Ameritech Illinois | Cook | Cell Number | 10/15/1996 |
| (773) 362- | Chicago, IL | Paetec Communications | Cook | Landline | 07/06/1997 |
| (773) 363- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 364- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 365- | Chicago, IL | Allegiance Telecom | Cook | Landline | 02/27/1999 |
| (773) 366- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 03/27/2005 |
| (773) 367- | Chicago, IL | Nextel Communications | Cook | Cell Number | 01/14/2000 |
| (773) 368- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 11/20/1998 |
| (773) 369- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 370- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/13/1999 |
| (773) 371- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 372- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 05/18/1998 |
| (773) 373- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 374- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 375- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 376- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 377- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 378- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 379- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 380- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 381- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 382- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 383- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 08/20/2000 |
| (773) 384- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 385- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 386- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 01/14/2000 |
| (773) 387- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 12/13/2004 |
| (773) 388- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 389- | Chicago, IL | Allegiance Telecom | Cook | Landline | 11/20/1998 |
| (773) 390- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 391- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 392- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 06/13/2000 |
| (773) 393- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/31/2000 |
| (773) 394- | Chicago, IL | Ameritech Illinois | Cook | Landline | 01/14/2000 |
| (773) 395- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 396- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 397- | Chicago, IL | Denali Spectrum License | Cook | Cell Number | 07/06/1997 |
| (773) 398- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/13/1999 |
| (773) 399- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 400- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 401- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 402- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 403- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 03/27/2005 |
| (773) 404- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 405- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 406- | Chicago, IL | Nextel Communications | Cook | Cell Number | 10/31/2000 |
| (773) 407- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 03/03/2001 |
| (773) 408- | Chicago, IL | Nextel Communications | Cook | Cell Number | 07/06/1997 |
| (773) 409- | Chicago, IL | AT&T Local | Cook | Landline | 08/14/1998 |
| (773) 410- | Chicago, IL | Nextel Communications | Cook | Landline | 08/14/1998 |
| (773) 412- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/31/2000 |
| (773) 413- | Chicago, IL | AT&T Local | Cook | Landline | 08/14/1998 |
| (773) 414- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 03/27/2005 |
| (773) 415- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 416- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 05/10/1999 |
| (773) 417- | Chicago, IL | Comcast Phone Of Illinois DBA Comco | Cook | Landline | 08/14/1998 |
| (773) 418- | Chicago, IL | Nextel Communications | Cook | Cell Number | 10/31/2000 |
| (773) 419- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 08/14/1998 |
| (773) 420- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 04/01/1997 |
| (773) 421- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 10/13/1999 |
| (773) 422- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 10/31/2000 |
| (773) 423- | Chicago, IL | Allegiance Telecom | Cook | Landline | 02/27/1999 |
| (773) 424- | Oak Brook, IL | Teleport Communications Group - Chicago | Du Page | Landline | 08/14/1998 |
| (773) 425- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/13/1999 |
| (773) 426- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 05/01/2002 |
| (773) 427- | Chicago, IL | Ameritech Illinois | Cook | Landline | 05/10/1999 |
| (773) 428- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 429- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 430- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 06/13/2000 |
| (773) 431- | Chicago, IL | Denali Spectrum License | Cook | Cell Number | 07/06/1997 |
| (773) 432- | Chicago, IL | Cimco Communications | Cook | Landline | 08/14/1998 |
| (773) 433- | Chicago, IL | Nextel Communications | Cook | Landline | 08/14/1998 |
| (773) 434- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 435- | Chicago, IL | Xo Illinois | Cook | Landline | 05/18/1998 |
| (773) 436- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 437- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 438- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 01/25/1998 |
| (773) 439- | Chicago, IL | Rcn Telecom Services Of Illinois | Cook | Landline | 07/22/1999 |
| (773) 440- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 06/25/2005 |
| (773) 441- | Chicago, IL | Denali Spectrum License | Cook | Cell Number | 01/25/1998 |
| (773) 442- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 10/15/1996 |
| (773) 443- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 05/18/1998 |
| (773) 444- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 01/14/2000 |
| (773) 445- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 446- | Chicago, IL | Broadwing Communications | Cook | Landline | 10/13/1999 |
| (773) 447- | Chicago, IL | Nextel Communications | Cook | Cell Number | 08/14/1998 |
| (773) 448- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 01/25/1998 |
| (773) 449- | Chicago, IL | Rcn Telecom Services Of Illinois | Cook | Landline | 07/22/1999 |
| (773) 450- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 451- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 452- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 453- | Wood Dale, IL | Xo Illinois | Du Page | Landline | 05/18/1998 |
| (773) 454- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 03/03/2001 |
| (773) 455- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 10/11/1997 |
| (773) 456- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 08/20/2000 |
| (773) 457- | Chicago, IL | Nextel Communications | Cook | Cell Number | 06/13/2000 |
| (773) 458- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 10/11/1997 |
| (773) 459- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 06/30/2001 |
| (773) 460- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/11/1997 |
| (773) 461- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/11/1997 |
| (773) 462- | Schiller Park, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 463- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 464- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 08/14/1998 |
| (773) 465- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 466- | Wood Dale, IL | Xo Illinois | Du Page | Landline | 05/18/1998 |
| (773) 467- | Chicago, IL | Ameritech Illinois | Cook | Landline | 05/18/1998 |
| (773) 468- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 469- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 06/30/2001 |
| (773) 470- | Chicago, IL | Xo Illinois | Cook | Landline | 05/18/1998 |
| (773) 471- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 472- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 473- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 474- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 475- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 476- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 477- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 478- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 479- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 480- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 481- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 482- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 483- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 484- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Landline | 10/31/2000 |
| (773) 485- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 486- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 487- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 488- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 489- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 490- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 03/03/2001 |
| (773) 491- | Chicago, IL | Nextel Communications | Cook | Cell Number | 10/11/1997 |
| (773) 492- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 05/18/1998 |
| (773) 493- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 494- | Chicago, IL | Nextel Communications | Cook | Cell Number | 03/27/2005 |
| (773) 495- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 03/03/2001 |
| (773) 496- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 497- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 498- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 499- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 03/27/2005 |
| (773) 501- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 502- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 503- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 03/27/2005 |
| (773) 504- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 505- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 506- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 507- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 06/30/2001 |
| (773) 508- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 509- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 510- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 08/04/2002 |
| (773) 512- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 03/27/2005 |
| (773) 513- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 514- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 515- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 516- | Chicago, IL | Neutral Tandem-illinois | Cook | Landline | 03/27/2005 |
| (773) 517- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 518- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 08/20/2000 |
| (773) 519- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 520- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 521- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 522- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 523- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 524- | Chicago, IL | Broadwing Communications | Cook | Landline | 10/13/1999 |
| (773) 525- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 526- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 527- | Arlington Heights, IL | Broadwing Communications | Cook | Landline | 01/14/2000 |
| (773) 528- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 529- | Chicago, IL | Ameritech Illinois | Cook | Landline | 04/01/1997 |
| (773) 530- | Chicago, IL | Comcast Phone Of Illinois DBA Comco | Cook | Landline | 03/27/2005 |
| (773) 531- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 06/13/2000 |
| (773) 532- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 533- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 534- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 535- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 536- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 537- | Chicago, IL | Cimco Communications | Cook | Landline | 12/13/2004 |
| (773) 538- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 539- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 540- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 03/27/2005 |
| (773) 541- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 01/14/2000 |
| (773) 542- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 543- | Chicago, IL | T-mobile Usa | Unknown | 10/26/2007 | |
| (773) 544- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/13/1999 |
| (773) 545- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 546- | Chicago, IL | Ameritech Illinois | Cook | Cell Number | 10/15/1996 |
| (773) 547- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 548- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 549- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 550- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 551- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 08/14/1998 |
| (773) 552- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 06/13/2000 |
| (773) 553- | Chicago, IL | Ameritech Illinois | Cook | Landline | 08/14/1998 |
| (773) 554- | Chicago, IL | Nextel Communications | Unknown | 07/01/2009 | |
| (773) 556- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Landline | 11/20/1998 |
| (773) 557- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 558- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Landline | 06/25/2005 |
| (773) 559- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 03/27/2005 |
| (773) 560- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/15/1996 |
| (773) 561- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 562- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 07/22/1999 |
| (773) 563- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 02/16/2006 |
| (773) 564- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 565- | Chicago, IL | Cimco Communications | Cook | Landline | 12/13/2004 |
| (773) 566- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 01/25/1998 |
| (773) 567- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/13/2005 |
| (773) 568- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 569- | Elk Grove Village, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 570- | Chicago, IL | Level 3 Communications | Cook | Landline | 11/20/1998 |
| (773) 571- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Unknown | 02/20/2007 | |
| (773) 572- | Chicago, IL | Broadwing Communications | Cook | Landline | 05/18/1998 |
| (773) 573- | Chicago, IL | Xo Illinois | Cook | Landline | 01/14/2000 |
| (773) 574- | Chicago, IL | T-mobile Usa | Unknown | 03/21/2006 | |
| (773) 575- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 06/30/2001 |
| (773) 576- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 577- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 578- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 11/20/1998 |
| (773) 579- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 580- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 03/03/2001 |
| (773) 581- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 582- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 583- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 584- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 10/15/1996 |
| (773) 585- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 586- | Summit, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 587- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 06/30/2001 |
| (773) 588- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 589- | River Grove, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 590- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 591- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/31/2001 |
| (773) 592- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 593- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 07/22/1999 |
| (773) 594- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 595- | Chicago, IL | T-mobile Usa | Unknown | 10/30/2006 | |
| (773) 596- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 597- | Chicago, IL | Cimco Communications | Cook | Landline | 03/27/2005 |
| (773) 598- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 01/11/1997 |
| (773) 599- | Chicago, IL | Ymax Communications Corp. | Unknown | 04/10/2008 | |
| (773) 600- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 12/13/2004 |
| (773) 601- | Schiller Park, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 602- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 603- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 10/13/2005 |
| (773) 604- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 605- | Chicago, IL | Globalcom-il | Unknown | 04/05/2006 | |
| (773) 606- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/13/2005 |
| (773) 607- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 608- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 609- | Chicago, IL | Ymax Communications Corp. | Unknown | 05/19/2009 | |
| (773) 610- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 02/13/2002 |
| (773) 612- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 613- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 614- | Chicago, IL | T-mobile Usa | Unknown | 11/08/2006 | |
| (773) 615- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 05/01/2002 |
| (773) 616- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 05/10/1999 |
| (773) 617- | Chicago, IL | Nextel Communications | Cook | Cell Number | 01/11/1997 |
| (773) 618- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 619- | Chicago, IL | Nextel Communications | Cook | Cell Number | 06/30/2001 |
| (773) 620- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 06/30/2001 |
| (773) 621- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 02/16/2006 |
| (773) 622- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 623- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 624- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 625- | River Grove, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 626- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 627- | Oak Brook, IL | Ovation Communications Of Illinois | Du Page | Landline | 02/27/1999 |
| (773) 628- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 629- | Chicago, IL | T-mobile Usa | Unknown | 11/08/2006 | |
| (773) 630- | Chicago, IL | Denali Spectrum License | Unknown | 03/10/2009 | |
| (773) 631- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 632- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 10/15/1996 |
| (773) 633- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Landline | 08/14/1998 |
| (773) 634- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 08/14/1998 |
| (773) 635- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 01/11/1997 |
| (773) 636- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 637- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 638- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 639- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 10/17/2007 | |
| (773) 640- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 641- | Chicago, IL | Nextel Communications | Cook | Cell Number | 02/16/2006 |
| (773) 642- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 03/15/2007 | |
| (773) 643- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 644- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Cell Number | 07/06/1997 |
| (773) 645- | Chicago, IL | Ameritech Illinois | Cook | Landline | 04/01/1997 |
| (773) 646- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 647- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 10/17/2007 | |
| (773) 648- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 649- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 650- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 651- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 652- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 653- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 654- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 655- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 08/04/2002 |
| (773) 656- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 10/13/2005 |
| (773) 657- | Chicago, IL | United States Cellular Corp. - Illinois | Unknown | 03/05/2007 | |
| (773) 658- | Chicago, IL | Denali Spectrum License | Cook | Landline | 02/27/1999 |
| (773) 659- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 660- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 661- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 662- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/14/2000 |
| (773) 663- | Chicago, IL | Sprint Spectrum L.p. | Cook | Landline | 05/10/1999 |
| (773) 664- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 665- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 666- | None, IL | Bandwidth.com Clec | Unknown | 06/25/2009 | |
| (773) 667- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 668- | Chicago, IL | Level 3 Communications | Unknown | 04/27/2006 | |
| (773) 669- | Chicago, IL | Bandwidth.com Clec | Unknown | 06/08/2009 | |
| (773) 670- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/11/1997 |
| (773) 671- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 04/01/1997 |
| (773) 672- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 04/01/1997 |
| (773) 673- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 674- | Chicago, IL | Ameritech Illinois | Cook | Cell Number | 07/06/1997 |
| (773) 675- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 676- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 677- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 08/04/2002 |
| (773) 678- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 06/25/2005 |
| (773) 679- | Chicago, IL | T-mobile Usa | Unknown | 07/26/2006 | |
| (773) 680- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 06/30/2001 |
| (773) 681- | Bensenville, IL | Mcimetro Access Transmission Services LLC | Du Page | Landline | 10/15/1996 |
| (773) 682- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 02/16/2006 |
| (773) 683- | Chicago, IL | Denali Spectrum License | Cook | Cell Number | 10/11/1997 |
| (773) 684- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 685- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 686- | Schiller Park, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 687- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 01/11/1997 |
| (773) 688- | Chicago, IL | Sigecom | Cook | Landline | 12/13/2004 |
| (773) 689- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 690- | Chicago, IL | T-mobile Usa | Unknown | 11/05/2008 | |
| (773) 691- | Chicago, IL | T-mobile Usa | Unknown | 07/10/2007 | |
| (773) 692- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 10/11/1997 |
| (773) 693- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 694- | Des Plaines, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 695- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 696- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 05/10/1999 |
| (773) 697- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 698- | Chicago, IL | T-mobile Usa | Unknown | 06/13/2007 | |
| (773) 699- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/13/2005 |
| (773) 701- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/16/2006 |
| (773) 702- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 703- | Chicago, IL | Denali Spectrum License | Unknown | 09/02/2008 | |
| (773) 704- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 08/04/2002 |
| (773) 705- | Chicago, IL | Globalcom-il | Unknown | 06/28/2006 | |
| (773) 706- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 10/13/2005 |
| (773) 707- | Chicago, IL | Denali Spectrum License | Unknown | 11/05/2008 | |
| (773) 708- | Chicago, IL | Denali Spectrum License | Unknown | 11/05/2008 | |
| (773) 709- | Chicago, IL | Denali Spectrum License | Unknown | 11/05/2008 | |
| (773) 710- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 06/30/2001 |
| (773) 712- | Chicago, IL | Denali Spectrum License | Unknown | 11/05/2008 | |
| (773) 713- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 714- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 715- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/09/2003 |
| (773) 716- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 06/30/2001 |
| (773) 717- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Landline | 06/30/2001 |
| (773) 718- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 719- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 01/11/1997 |
| (773) 720- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 721- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 722- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 723- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 724- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 02/16/2006 |
| (773) 725- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 726- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 727- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/09/2003 |
| (773) 728- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 729- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 05/10/1999 |
| (773) 730- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 731- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 732- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 733- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 734- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 735- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 736- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 737- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 738- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 08/29/2007 | |
| (773) 739- | Chicago, IL | Nextel Communications | Cook | Landline | 05/10/1999 |
| (773) 740- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 741- | Des Plaines, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 742- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 05/01/2002 |
| (773) 743- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 744- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/13/2002 |
| (773) 745- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 746- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/13/2005 |
| (773) 747- | Chicago, IL | T-mobile Usa | Unknown | 01/07/2008 | |
| (773) 748- | Chicago, IL | Indiana Paging Ntwk | Cook | Cell Number | 11/20/1998 |
| (773) 749- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 06/19/2007 | |
| (773) 750- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 02/13/2002 |
| (773) 751- | Wood Dale, IL | Xo Illinois | Du Page | Landline | 02/27/1999 |
| (773) 752- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 753- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 754- | Chicago, IL | Comcast Phone Of Illinois DBA Comco | Unknown | 10/24/2006 | |
| (773) 755- | Chicago, IL | Ameritech Illinois | Cook | Landline | 02/27/1999 |
| (773) 756- | Bensenville, IL | Mcimetro Access Transmission Services LLC | Du Page | Landline | 01/11/1997 |
| (773) 757- | Oak Brook, IL | Teleport Communications Group - Chicago | Du Page | Landline | 10/31/2001 |
| (773) 758- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 759- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 10/25/2002 |
| (773) 760- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 761- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 762- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 763- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 764- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 765- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 02/27/1999 |
| (773) 766- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Unknown | 09/15/2008 | |
| (773) 767- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 768- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 769- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 770- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 05/10/1999 |
| (773) 771- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 772- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 774- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 775- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 776- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 777- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 778- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 779- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 780- | Chicago, IL | T-mobile Usa | Cook | Landline | 05/10/1999 |
| (773) 781- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 782- | Chicago, IL | Ameritech Illinois | Cook | Landline | 02/27/1999 |
| (773) 783- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 784- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 785- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 786- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 05/10/1999 |
| (773) 787- | Chicago, IL | Xo Illinois | Cook | Landline | 05/10/1999 |
| (773) 788- | Summit, IL | Ameritech Illinois | Cook | Landline | 07/06/1997 |
| (773) 789- | Chicago, IL | Sigecom | Unknown | 07/12/2007 | |
| (773) 790- | Chicago, IL | Level 3 Communications | Cook | Landline | 07/22/1999 |
| (773) 791- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 10/31/2001 |
| (773) 792- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 793- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 07/22/1999 |
| (773) 794- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 795- | Chicago, IL | Ameritech Illinois | Cook | Landline | 05/10/1999 |
| (773) 796- | Chicago, IL | Level 3 Communications | Cook | Landline | 04/01/1997 |
| (773) 797- | Arlington Heights, IL | Broadwing Communications | Cook | Landline | 05/10/1999 |
| (773) 798- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 04/01/1997 |
| (773) 799- | Bensenville, IL | Mcimetro Access Transmission Services LLC | Du Page | Landline | 01/11/1997 |
| (773) 800- | Chicago, IL | Level 3 Communications | Unknown | 06/25/2009 | |
| (773) 801- | Chicago, IL | Ameritech Illinois | Unknown | 05/19/2006 | |
| (773) 802- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 803- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 03/15/2007 | |
| (773) 804- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 805- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 806- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 807- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/09/2003 |
| (773) 808- | Chicago, IL | Nextel Communications | Unknown | 04/14/2006 | |
| (773) 809- | Chicago, IL | T-mobile Usa | Unknown | 09/08/2008 | |
| (773) 810- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 812- | Chicago, IL | Denali Spectrum License | Unknown | 03/23/2009 | |
| (773) 813- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 814- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 10/25/2002 |
| (773) 815- | Chicago, IL | Denali Spectrum License | Unknown | 03/31/2009 | |
| (773) 816- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/25/2005 |
| (773) 817- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/09/2003 |
| (773) 818- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 819- | Chicago, IL | Nextel Communications | Unknown | 02/13/2009 | |
| (773) 820- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 06/30/2001 |
| (773) 821- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 822- | Chicago, IL | T-mobile Usa | Cook | Landline | 08/14/1998 |
| (773) 823- | Chicago, IL | AT&T Local | Cook | Landline | 08/14/1998 |
| (773) 824- | Chicago, IL | Teleport Communications Group - Chicago | Cook | Landline | 11/20/1998 |
| (773) 825- | Des Plaines, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 826- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 827- | Chicago, IL | T-mobile Usa | Cook | Landline | 08/14/1998 |
| (773) 828- | Chicago, IL | Level 3 Communications | Cook | Landline | 07/22/1999 |
| (773) 829- | Chicago, IL | Level 3 Communications | Cook | Landline | 02/27/1999 |
| (773) 830- | Chicago, IL | Xo Illinois | Cook | Landline | 07/22/1999 |
| (773) 831- | Chicago, IL | Level 3 Communications | Cook | Landline | 07/22/1999 |
| (773) 832- | Chicago, IL | Ameritech Illinois | Cook | Landline | 05/18/1998 |
| (773) 833- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 834- | Chicago, IL | Ameritech Illinois | Cook | Landline | 01/11/1997 |
| (773) 835- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 836- | Chicago, IL | Ameritech Illinois | Cook | Landline | 07/06/1997 |
| (773) 837- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/13/2002 |
| (773) 838- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 839- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 840- | Chicago, IL | Ovation Communications Of Illinois | Unknown | 06/23/2006 | |
| (773) 841- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 842- | Chicago, IL | Nextel Communications | Cook | Cell Number | 10/31/2001 |
| (773) 843- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 844- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 10/31/2001 |
| (773) 845- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 846- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 847- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 848- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 849- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Unknown | 02/20/2007 | |
| (773) 850- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 02/27/1999 |
| (773) 851- | Chicago, IL | Nextel Communications | Cook | Cell Number | 06/30/2001 |
| (773) 852- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 853- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 10/03/2006 | |
| (773) 854- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 855- | Chicago, IL | Rcn Telecom Services Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 856- | Chicago, IL | Rcn Telecom Services Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 857- | Chicago, IL | Rcn Telecom Services Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 858- | Chicago, IL | Nextel Communications | Cook | Cell Number | 10/31/2001 |
| (773) 859- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 860- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 861- | Chicago, IL | Globalcom-il | Unknown | 02/23/2007 | |
| (773) 862- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 863- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 864- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 865- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/13/2002 |
| (773) 866- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 867- | Park Ridge, IL | Ameritech Illinois | Cook | Landline | 01/25/1998 |
| (773) 868- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 869- | Chicago, IL | Ameritech Illinois | Cook | Landline | 07/06/1997 |
| (773) 870- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 02/09/2003 |
| (773) 871- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 873- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 874- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 875- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/13/2002 |
| (773) 876- | Chicago, IL | United States Cellular Corp. - Illinois | Unknown | 03/20/2006 | |
| (773) 877- | Chicago, IL | T-mobile Usa | Unknown | 07/21/2006 | |
| (773) 878- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 879- | Chicago, IL | United States Cellular Corp. - Illinois | Cook | Cell Number | 02/27/1999 |
| (773) 880- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 881- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 882- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 883- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 884- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 885- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 06/25/2005 |
| (773) 886- | Chicago, IL | T-mobile Usa | Unknown | 07/26/2006 | |
| (773) 887- | Bensenville, IL | Mcimetro Access Transmission Services LLC | Du Page | Landline | 01/11/1997 |
| (773) 888- | Chicago, IL | Bandwidth.com Clec | Unknown | 06/25/2009 | |
| (773) 889- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 890- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 891- | Chicago, IL | Comcast Phone Of Illinois DBA Comco | Unknown | 10/18/2006 | |
| (773) 892- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 893- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 01/11/1997 |
| (773) 894- | Schiller Park, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 895- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/13/2002 |
| (773) 896- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 01/11/1997 |
| (773) 897- | Chicago, IL | Peerless Network Of Illinois | Unknown | 03/28/2008 | |
| (773) 898- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 899- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Unknown | 03/15/2006 | |
| (773) 901- | Chicago, IL | Denali Spectrum License | Unknown | 05/15/2009 | |
| (773) 902- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 903- | Chicago, IL | American Messaging (am) | Cook | Cell Number | 04/01/1997 |
| (773) 904- | Chicago, IL | Level 3 Communications | Unknown | 05/12/2008 | |
| (773) 905- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 906- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 907- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 908- | Chicago, IL | Nextel Communications | Cook | Cell Number | 11/20/1998 |
| (773) 909- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 910- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 05/10/1999 |
| (773) 912- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 913- | Chicago, IL | Broadwing Communications | Cook | Landline | 07/06/1997 |
| (773) 914- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 915- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 916- | Chicago, IL | T-mobile Usa | Unknown | 04/28/2009 | |
| (773) 917- | Chicago, IL | Mci Worldcom Communications | Cook | Landline | 04/01/1997 |
| (773) 918- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 919- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 920- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 921- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 922- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 923- | Chicago, IL | Usa Mobility Wireless | Cook | Cell Number | 06/30/2001 |
| (773) 924- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 925- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 926- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 927- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 928- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 929- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 930- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 01/08/2007 | |
| (773) 931- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 10/31/2001 |
| (773) 932- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 933- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 934- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/09/2003 |
| (773) 935- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 936- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/13/2002 |
| (773) 937- | Chicago, IL | Sigecom | Unknown | 07/11/2007 | |
| (773) 938- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 939- | Chicago, IL | T-mobile Usa | Unknown | 02/21/2007 | |
| (773) 940- | Chicago, IL | Comcast Phone Of Illinois DBA Comco | Unknown | 11/17/2008 | |
| (773) 941- | Chicago, IL | T-mobile Usa | Unknown | 11/27/2007 | |
| (773) 942- | Chicago, IL | Global Crossing Local Services-il | Cook | Landline | 11/20/1998 |
| (773) 943- | Chicago, IL | T-mobile Usa | Unknown | 06/25/2009 | |
| (773) 944- | Chicago, IL | Rcn Telecom Services Of Illinois | Cook | Landline | 08/14/1998 |
| (773) 945- | Chicago, IL | Peerless Network Of Illinois | Unknown | 06/25/2008 | |
| (773) 946- | Chicago, IL | Broadwing Communications | Unknown | 05/22/2007 | |
| (773) 947- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 948- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 01/11/1997 |
| (773) 949- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 01/25/1998 |
| (773) 951- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Unknown | 10/16/2006 | |
| (773) 952- | Chicago, IL | T-mobile Usa | Unknown | 06/14/2007 | |
| (773) 953- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 08/29/2007 | |
| (773) 954- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 02/16/2006 |
| (773) 955- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 956- | Chicago, IL | T-mobile Usa | Unknown | 09/04/2008 | |
| (773) 957- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 960- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 01/25/1998 |
| (773) 961- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 962- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 963- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 07/17/2007 | |
| (773) 964- | Chicago, IL | T-mobile Usa | Unknown | 08/21/2007 | |
| (773) 965- | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cook | Cell Number | 01/11/1997 |
| (773) 966- | Chicago, IL | Broadwing Communications | Unknown | 04/27/2006 | |
| (773) 967- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 01/11/1997 |
| (773) 968- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 969- | Chicago, IL | T-mobile Usa | Unknown | 01/07/2008 | |
| (773) 970- | Chicago, IL | Denali Spectrum License | Unknown | 05/15/2009 | |
| (773) 971- | Chicago, IL | T-mobile Usa | Unknown | 07/11/2007 | |
| (773) 972- | Chicago, IL | New Cingular Wireless PCS | Cook | Cell Number | 01/11/1997 |
| (773) 973- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 974- | Des Plaines, IL | Ovation Communications Of Illinois | Cook | Landline | 11/20/1998 |
| (773) 975- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 977- | Chicago, IL | Ovation Communications Of Illinois | Cook | Landline | 02/27/1999 |
| (773) 978- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 979- | Chicago, IL | United States Cellular Corp. - Illinois | Unknown | 06/08/2006 | |
| (773) 980- | Chicago, IL | Ameritech Illinois | Unknown | 05/15/2008 | |
| (773) 981- | Chicago, IL | Mcimetro Access Transmission Services LLC | Cook | Landline | 01/11/1997 |
| (773) 982- | Chicago, IL | T-mobile Usa | Unknown | 02/29/2008 | |
| (773) 983- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 08/04/2002 |
| (773) 984- | Chicago, IL | Sprint Spectrum L.p. | Unknown | 03/15/2007 | |
| (773) 985- | Bensenville, IL | Mcimetro Access Transmission Services LLC | Du Page | Landline | 01/11/1997 |
| (773) 986- | Chicago, IL | T-mobile Usa | Unknown | 10/16/2007 | |
| (773) 987- | Chicago, IL | Globalcom-il | Cook | Landline | 06/25/2005 |
| (773) 988- | Chicago, IL | T-mobile Usa | Cook | Cell Number | 06/30/2001 |
| (773) 989- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 990- | Chicago, IL | Ameritech Illinois | Unknown | 03/20/2006 | |
| (773) 991- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 01/14/2000 |
| (773) 992- | Schiller Park, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 993- | Chicago, IL | Sprint Spectrum L.p. | Cook | Cell Number | 10/11/1997 |
| (773) 994- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 995- | Chicago, IL | Ameritech Illinois | Cook | Landline | 10/15/1996 |
| (773) 996- | Chicago, IL | T-mobile Usa | Unknown | 10/16/2007 | |
| (773) 997- | Chicago, IL | T-mobile Usa | Unknown | 10/28/2008 | |
| (773) 998- | Chicago, IL | Denali Spectrum License | Unknown | 05/15/2009 | |
| (773) 999- | Chicago, IL | Denali Spectrum License | Unknown | 05/15/2009 |
Search by City:
Area Codes by Number