| State | Ontario Canada |
| Capital | Toronto |
| Short URL | http://thecallphone.com/289 |
| Prefix | Primary City | Company | County | Usage | Introduced |
|---|---|---|---|---|---|
| (289) 213- | Saint Catharines Thorold, ON | Cell Number | 10/31/2001 | ||
| (289) 221- | Aurora, ON | Cell Number | 10/31/2001 | ||
| (289) 228- | Saint Catharines Thorold, ON | Cell Number | 02/16/2006 | ||
| (289) 231- | Newmarket, ON | Cell Number | 10/31/2001 | ||
| (289) 235- | Grimsby, ON | Landline | 06/01/2006 | ||
| (289) 237- | Hamilton, ON | Cell Number | 05/01/2002 | ||
| (289) 238- | Dundas, ON | Landline | 06/01/2006 | ||
| (289) 239- | Ancaster, ON | Landline | 06/01/2006 | ||
| (289) 241- | Saint Catharines Thorold, ON | Cell Number | 10/31/2001 | ||
| (289) 242- | Oakville, ON | Cell Number | 10/31/2001 | ||
| (289) 251- | Cobourg, ON | Cell Number | 10/31/2001 | ||
| (289) 259- | Oakville, ON | Cell Number | 02/13/2002 | ||
| (289) 260- | Hamilton, ON | Cell Number | 02/13/2002 | ||
| (289) 264- | Newmarket, ON | Cell Number | 06/01/2006 | ||
| (289) 280- | Mount Hope, ON | Landline | 06/25/2005 | ||
| (289) 281- | Mount Hope, ON | Landline | 06/25/2005 | ||
| (289) 282- | Hagersville, ON | Landline | 06/25/2005 | ||
| (289) 283- | Hagersville, ON | Landline | 06/25/2005 | ||
| (289) 284- | Caledonia, ON | Landline | 06/25/2005 | ||
| (289) 285- | Caledonia, ON | Landline | 06/25/2005 | ||
| (289) 286- | Binbrook, ON | Landline | 06/25/2005 | ||
| (289) 287- | Binbrook, ON | Landline | 06/25/2005 | ||
| (289) 288- | Burlington, ON | Landline | 02/16/2006 | ||
| (289) 290- | Streetsville, ON | Landline | 10/13/2005 | ||
| (289) 291- | Oakville, ON | Landline | 02/16/2006 | ||
| (289) 292- | Niagara Falls, ON | Landline | 02/16/2006 | ||
| (289) 293- | Burlington, ON | Landline | 02/16/2006 | ||
| (289) 294- | Niagara Falls, ON | Landline | 02/16/2006 | ||
| (289) 295- | Oakville, ON | Landline | 02/16/2006 | ||
| (289) 296- | Niagara Falls, ON | Landline | 06/01/2006 | ||
| (289) 314- | Pickering, ON | Cell Number | 10/31/2001 | ||
| (289) 320- | Fort Erie, ON | Landline | 06/01/2006 | ||
| (289) 321- | Fort Erie, ON | Cell Number | 10/31/2001 | ||
| (289) 331- | Dunnville, ON | Cell Number | 10/31/2001 | ||
| (289) 333- | Unionville, ON | Landline | 06/01/2006 | ||
| (289) 360- | Cooksville, ON | Landline | 02/09/2003 | ||
| (289) 395- | Newmarket, ON | Cell Number | 02/09/2003 | ||
| (289) 404- | Oshawa, ON | Cell Number | 02/16/2006 | ||
| (289) 407- | Saint Catharines Thorold, ON | Cell Number | 02/16/2006 | ||
| (289) 439- | Hamilton, ON | Cell Number | 08/04/2002 | ||
| (289) 440- | Hamilton, ON | Cell Number | 06/01/2006 | ||
| (289) 566- | Beamsville, ON | Landline | 06/01/2006 | ||
| (289) 623- | Malton, ON | Cell Number | 08/17/2004 | ||
| (289) 669- | Saint Catharines Thorold, ON | Cell Number | 02/09/2003 | ||
| (289) 688- | Oshawa, ON | Cell Number | 06/01/2006 | ||
| (289) 764- | Brampton, ON | Landline | 06/01/2006 | ||
| (289) 808- | Hamilton, ON | Cell Number | 06/01/2006 | ||
| (289) 820- | Welland, ON | Landline | 06/01/2006 | ||
| (289) 821- | Welland, ON | Cell Number | 10/31/2001 | ||
| (289) 822- | Port Credit, ON | Cell Number | 08/17/2004 | ||
| (289) 828- | Burlington, ON | Cell Number | 08/17/2004 | ||
| (289) 833- | Richmond Hill, ON | Cell Number | 08/17/2004 | ||
| (289) 836- | Port Colborne, ON | Landline | 06/01/2006 | ||
| (289) 868- | Niagara On The Lake, ON | Landline | 06/01/2006 | ||
| (289) 876- | Ridgeway, ON | Landline | 06/01/2006 | ||
| (289) 878- | Milton, ON | Landline | 06/01/2006 | ||
| (289) 882- | Southpick, ON | Cell Number | 08/17/2004 | ||
| (289) 883- | Cooksville, ON | Cell Number | 08/17/2004 | ||
| (289) 885- | Oakville, ON | Cell Number | 02/09/2003 | ||
| (289) 886- | Oshawa, ON | Cell Number | 05/01/2002 | ||
| (289) 887- | Hamilton, ON | Cell Number | 02/13/2002 | ||
| (289) 888- | Oakville, ON | Cell Number | 10/31/2001 | ||
| (289) 889- | Brampton, ON | Cell Number | 02/13/2002 | ||
| (289) 891- | Georgetown, ON | Landline | 06/01/2006 | ||
| (289) 892- | Pickering, ON | Cell Number | 08/17/2004 | ||
| (289) 893- | Whitby, ON | Cell Number | 08/17/2004 | ||
| (289) 895- | Waterdown, ON | Landline | 06/01/2006 | ||
| (289) 896- | Streetsville, ON | Cell Number | 08/17/2004 | ||
| (289) 897- | Pelham, ON | Landline | 06/01/2006 | ||
| (289) 898- | Clarkson, ON | Cell Number | 08/17/2004 |
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