Each of the 1 area codes in Montana are listed below. The Montana area code listing below lists area codes in several sections. First, AL area codes by city are shown for the largest cities in Montana. Next, the list shows Montana area codes by number. If you still can't find what you are looking for and the searches below do not help, the area code finder on our home page may be what you are looking for.
Montana Area Code Map
Cities within each Area Code
| Bozeman | Rosebud | Helena | Missoula |
| Great Falls | Billings | Seeley Lake | Kalispell |
| Livingston | Butte | Boulder | Essex |
| East Helena | Glasgow | Miles City | Wolf Creek |
| Neihart | Thompson Falls | Potomac | Dixon |
| Havre | Fort Shaw | Townsend | Divide |
| St Regis | Conrad | Lolo | Ronan |
| Lima | Belt | Valier | Manhattan |
| Libby | Three Forks | Medicine Lake | Whitehall |
| Drummond | Columbus | Joplin | Troy |
| Eureka | Malta | White Sulphur Springs | Polson |
| Roundup | Reed Point | Absarokee | Clinton |
| Sweet Grass | Cut Bank | Sunburst | Browning |
| Hysham | Wyola | Glendive | Forsyth |
| Huntley | Conner | Lewistown | Box Elder |
| Harlem | Angela | Rudyard | Chinook |
| Musselshell | Hamilton | Lincoln | Hinsdale |
| Canyon Creek | Kremlin | Moore | Gildford |
| Big Sandy | Turner | Superior | Dodson |
| Westby | Columbia Falls | Belgrade | Frazer |
| Somers | Hingham | Deer Lodge | Bigfork |
| Hobson | Red Lodge | Broadus | Grass Range |
| Winnett | Galata | Sidney | Shelby |
| Roberts | Brockton | Chester | Winifred |
| Power | Roy | Choteau | Fairfield |
| Cascade | Pendroy | Judith Gap | Whitetail |
| Dutton | Ashland | Dagmar | Bridger |
| Circle | Fallon | Scobey | Garrison |
| Culbertson | Nashua | Wolf Point | Fort Peck |
| Saco | Laurel | Melville | Olive |
| Jordan | Anaconda | Stanford | Denton |
| Ryegate | Martinsdale | Belfry | Lavina |
| Wilsall | Bloomfield | Lindsay | Plevna |
| Busby | Dillon | Loma | Fort Benton |
| Hardin | Stevensville | Frenchtown | Brady |
| Elmo | Two Dot | Park City | Crow Agency |
| Lodge Grass | West Yellowstone | Victor | Charlo |
| Rapelje | Saint Xavier | Broadview | Fromberg |
| Molt | Zortman | Whitewater | Saint Regis |
| Polaris | Ennis | Twin Bridges | Norris |
| Clyde Park | Wisdom | Rollins | Lakeside |
| Alberton | Opheim | Larslan | Arlee |
| Hathaway | Whitefish | Saint Mary | Highwood |
| Carter | Geyser | Sand Coulee | Geraldine |
| Raynesford | Hot Springs | Saint Ignatius | Condon |
| Decker | Gallatin Gateway | Plentywood | Froid |
| Alzada | Poplar | Bainville | Richey |
| Lambert | Ekalaka | Savage | Baker |
| Flaxville | Ovando | Wibaux | Darby |
| Plains | Wise River | Jackson | Cooke City |
| Sheridan | Virginia City | Noxon | Emigrant |
| Marion | Bighorn | Philipsburg | Worden |
| Peerless | Outlook | Big Timber | Clancy |
| Terry | Corvallis | Joliet | Vaughn |
| Capitol | Birney |
Area Codes by Number