406 Area Code in Montana, United States
Description
Area code 406 is the sole area code for the entire state of Montana, making it one of the most iconic and easily recognizable area codes in the United States. Established in 1947, it has never been split or overlaid, serving all cities including Billings, Missoula, Bozeman, Helena, and Great Falls. The 406 area code represents Montana’s vast landscapes, low population density, and strong state identity. It’s widely used in branding for local businesses, tourism, and cultural events, symbolizing the rugged independence and natural beauty of Big Sky Country. 406 remains a source of pride for Montanans and a standout among area codes for its uniqueness and statewide reach.
Time & Time Zone
Time zone:
Mountain (GMT -07:00) Current time:
Map
Major Cities
| City | Prefixes |
|---|---|
| | |
| | |
| | |
| | |
| | |
Counties
| County | Prefixes |
|---|---|
| Yellowstone | |
| Missoula | |
| Gallatin | |
| Cascade | |
| Flathead | |
| Lewis And Clark | |
| Lake | |
| Silver Bow | |
| Rosebud | |
| Hill | |
| Custer | |
| Roosevelt | |
| Richland | |
| Fergus | |
| Valley | |
| Dawson | |
| Carbon | |
| Ravalli | |
| Big Horn | |
| Pondera | |
| Beaverhead | |
| Park | |
| Toole | |
| Jefferson | |
| Chouteau | |
| Glacier | |
| Stillwater | |
| Sheridan | |
| Phillips | |
| Musselshell | |
| Lincoln | |
| Teton | |
| Fallon | |
| Deer Lodge | |
| Mineral | |
| Judith Basin | |
| Carter | |
| Madison | |
| Powder River | |
| Powell | |
| Sanders | |
| Prairie | |
| Wibaux | |
| Mccone | |
| Blaine | |
| Daniels | |
| Sweet Grass | |
| Garfield | |
| Broadwater | |
| Golden Valley | |
| Liberty | |
| Wheatland | |
| Granite | |
| Meagher | |
| Treasure | |
| Petroleum | |
| Harding |
Telephone Carriers
| Carrier | Type | Prefixes (%) |
|---|---|---|
| Qwest Corporation | Landline | 24% |
| Cellco Partnership Dba Verizon Wireless Mt | Wireless | 10% |
| New Cingular Wireless Pcs Llc | Wireless | 10% |
| Mid Rivers Telephone Cooperative Inc | Landline | 7% |
| Nemont Telephone Cooperative Inc | Landline | 5% |
| 3 Rivers Telephone Cooperative Inc | Landline | 5% |
| Mtpcs Llc | Wireless | 4% |
| Triangle Telephone Cooperative Assn Inc | Landline | 4% |
| Blackfoot Telephone Cooperative Inc | Landline | 3% |
| Bresnan Broadband Of Montana Llc Mt | Landline | 3% |
| Centurytel Of Montana Inc Dba Centurylink | Landline | 3% |
| Level 3 Communications Llc Mt | Landline | 3% |
| Central Montana Communications Inc | Landline | 2% |
| 360 Networks Usa Inc Mt | Landline | 2% |
| Cable Communications Corporation | Wireless | 2% |
| Range Telephone Cooperative Inc | Landline | 2% |
| Project Telephone Co Inc | Landline | 2% |
| Sprint Spectrum L P Mt | Wireless | 1% |
| 3 Rivers Telephone Cooperative Inc Mt | Landline | 1% |
| One Eighty Communications Inc Mt | Landline | 1% |
| Blackfoot Communications Inc Mt | Landline | 1% |
| Northern Telephone Cooperative Inc | Landline | 1% |
| Ronan Telephone Co | Landline | 1% |
| Southern Montana Telephone Co | Landline | 1% |
| Citizens Telecom Co Of Mt Frontier Comm Of Mt | Landline | 1% |
| At T Local | Landline | 1% |
| Rt Communications | Landline | < 1% |
| Mcimetro Access Transmission Services Llc | Landline | < 1% |
| Montana Opticom Llc Mt | Landline | < 1% |
| Bandwidth Com Clec Llc Mt | Landline | < 1% |
| Range Telephone Cooperative Inc Mt | Landline | < 1% |
| Tri Tel Inc Mt | Landline | < 1% |
| Polson Communitytel Inc Mt | Landline | < 1% |
| Ymax Communications Corp Mt | Landline | < 1% |
| Contact Communications Inc Wyoming | Landline | < 1% |
| Interbel Telephone Cooperative Inc | Landline | < 1% |
| Nexus Communications Inc | Wireless | < 1% |
| Western Montana Communitytel Inc Mt | Landline | < 1% |
| Interbel Telephone Cooperative Inc Mt | Landline | < 1% |
| Pacific Telecom Communications Group Mt | Landline | < 1% |
| Sagebrush Cellular Inc | Wireless | < 1% |
| Lincoln Telephone Company Inc | Landline | < 1% |
| Tc Systems Inc Mt | Landline | < 1% |
| 365 Wireless Llc | Wireless | < 1% |
| Smart Call Llc | Landline | < 1% |
| Midstate Communications Inc | Landline | < 1% |
| Eltopia Communications Llc Mt | Landline | < 1% |
| West River Cooperative Telephone Company | Landline | < 1% |
| Tct West Inc | Landline | < 1% |
| Hot Springs Telephone Co | Landline | < 1% |
| Reservation Telephone Cooperative | Landline | < 1% |
Prefixes
| Prefix | City | Carrier | Type |
|---|---|---|---|
| Whitlash | Northern Telephone Cooperative, Inc. | Landline | |
| Great Falls | New Cingular Wireless Pcs, Llc | Wireless | |
| Bozeman | Mtpcs, Llc | Wireless | |
| Belfry | Tct West, Inc. | Landline | |
| Garryowen | Project Telephone Co., Inc. | Landline | |
| Corvallis | Qwest Corporation | Landline | |
| Helena | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Kalispell | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Saint Regis | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Missoula | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Polson | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Polson | Ronan Telephone Co. | Landline | |
| Whitefish | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Sidney | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Lodge Grass | Project Telephone Co., Inc. | Landline | |
| Bozeman | 360networks (usa) Inc. - Mt | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Park City | Qwest Corporation | Landline | |
| Dillon | Level 3 Communications, Llc - Mt | Landline | |
| Great Falls | New Cingular Wireless Pcs, Llc | Wireless | |
| Absarokee | Mtpcs, Llc | Wireless | |
| Flaxville | Nemont Telephone Cooperative, Inc. | Landline | |
| Ekalaka | West River Cooperative Telephone Company | Landline | |
| Cut Bank | Qwest Corporation | Landline | |
| Lolo | Qwest Corporation | Landline | |
| Culbertson | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Brockway | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Garrison | Qwest Corporation | Landline | |
| Ennis | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Loring | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Three Forks | Qwest Corporation | Landline | |
| Kevin | Northern Telephone Cooperative, Inc. | Landline | |
| Lewistown | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Colstrip | Qwest Corporation | Landline | |
| Butte | Mtpcs, Llc | Wireless | |
| Browning | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Dupuyer | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Bainville | Nemont Telephone Cooperative, Inc. | Landline | |
| Bigfork | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Busby | Range Telephone Cooperative, Inc. | Landline | |
| Pompeys Pillar | Project Telephone Co., Inc. | Landline | |
| Plevna | Cable & Communications Corporation | Wireless | |
| Helena | Ymax Communications Corp. - Mt | Landline | |
| Essex | Qwest Corporation | Landline | |
| Scobey | Nemont Telephone Cooperative, Inc. | Landline | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Whitefish | New Cingular Wireless Pcs, Llc | Wireless | |
| Helena | New Cingular Wireless Pcs, Llc | Wireless | |
| Ronan | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Denton | Central Montana Communications, Inc. | Landline | |
| Malta | Central Montana Communications, Inc. | Landline | |
| Baker | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Fallon | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Missoula | Cellco Partnership Dba Verizon Wireless - Mt | Landline | |
| Troy | Citizens Telecom Co of Mt-frontier Comm of Mt | Landline | |
| Bozeman | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Raynesford | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Terry | Cable & Communications Corporation | Wireless | |
| Big Timber | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Glendive | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Manhattan | Qwest Corporation | Landline | |
| Stevensville | New Cingular Wireless Pcs, Llc | Wireless | |
| Kinsey | Qwest Corporation | Landline | |
| Coram | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Scobey | Nemont Telephone Cooperative, Inc. | Landline | |
| Miles City | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Lolo | New Cingular Wireless Pcs, Llc | Wireless | |
| Missoula | Blackfoot Communications, Inc. - Mt | Landline | |
| Helena | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Bozeman | Sprint Spectrum L.p.- Mt | Wireless | |
| Saint Ignatius | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Miles City | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Buffalo | Central Montana Communications, Inc. | Landline | |
| Helena | New Cingular Wireless Pcs, Llc | Wireless | |
| Billings | New Cingular Wireless Pcs, Llc | Wireless | |
| Dillon | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Great Falls | At&t Local | Landline | |
| Ledger | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Helmville | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Livingston | New Cingular Wireless Pcs, Llc | Wireless | |
| Missoula | Blackfoot Communications, Inc. - Mt | Landline | |
| Alder | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Hardin | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Billings | One Eighty Communications, Inc. - Mt | Landline | |
| Helena | Qwest Corporation | Landline | |
| Missoula | New Cingular Wireless Pcs, Llc | Wireless | |
| Gallatin Gateway | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Ashland | Cable & Communications Corporation | Wireless | |
| Roundup | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Polson | Mtpcs, Llc | Wireless | |
| Bozeman | Qwest Corporation | Landline | |
| Harlowton | Central Montana Communications, Inc. | Landline | |
| Elliston | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Hardin | Level 3 Communications, Llc - Mt | Landline | |
| Floweree | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Volborg | Range Telephone Cooperative, Inc. | Landline | |
| Dixon | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Milltown | New Cingular Wireless Pcs, Llc | Wireless | |
| Cut Bank | Northern Telephone Cooperative, Inc. | Landline | |
| Missoula | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Conrad | Mtpcs, Llc | Wireless | |
| Poplar | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Wolf Point | Nemont Telephone Cooperative, Inc. | Landline | |
| Baker | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Norris | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Billings | At&t Local | Landline | |
| Joliet | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Hathaway | Mtpcs, Llc | Wireless | |
| Bozeman | New Cingular Wireless Pcs, Llc | Wireless | |
| Culbertson | Nemont Telephone Cooperative, Inc. | Landline | |
| Dutton | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Ashland | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Laurel | New Cingular Wireless Pcs, Llc | Wireless | |
| Miles City | New Cingular Wireless Pcs, Llc | Wireless | |
| Columbia Falls | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Missoula | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Missoula | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Helena | Qwest Corporation | Landline | |
| Geyser | New Cingular Wireless Pcs, Llc | Wireless | |
| Sun River | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Wilsall | Qwest Corporation | Landline | |
| Wolf Point | Nemont Telephone Cooperative, Inc. | Landline | |
| Havre | Cellco Partnership Dba Verizon Wireless - Mt | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Billings | New Cingular Wireless Pcs, Llc | Wireless | |
| Rosebud | New Cingular Wireless Pcs, Llc | Landline | |
| Bighorn | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Redstone | Nemont Telephone Cooperative, Inc. | Landline | |
| Shelby | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Great Falls | Sprint Spectrum L.p.- Mt | Wireless | |
| Brockton | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Vaughn | Qwest Corporation | Landline | |
| Townsend | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Helena | Qwest Corporation | Landline | |
| Big Sandy | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Condon | Blackfoot Telephone Cooperative, Inc. | Landline | |
| De Borgia | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Wisdom | Southern Montana Telephone Co. | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Larslan | Nemont Telephone Cooperative, Inc. | Landline | |
| Bigfork | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Billings | Qwest Corporation | Landline | |
| Helena | Qwest Corporation | Landline | |
| Eureka | Citizens Telecom Co of Mt-frontier Comm of Mt | Landline | |
| Anaconda | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Melstone | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Bynum | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Great Falls | New Cingular Wireless Pcs, Llc | Wireless | |
| Shelby | Qwest Corporation | Landline | |
| Sidney | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Butte | Level 3 Communications, Llc - Mt | Landline | |
| Marion | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Kremlin | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Glen | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Dillon | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Florence | Qwest Corporation | Landline | |
| Ringling | Central Montana Communications, Inc. | Landline | |
| Butte | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Havre | Mtpcs, Llc | Wireless | |
| Billings | New Cingular Wireless Pcs, Llc | Wireless | |
| Monarch | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Lewistown | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Loring | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Havre | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Saint Ignatius | Mtpcs, Llc | Wireless | |
| Butte | Qwest Corporation | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Baker | Cable & Communications Corporation | Wireless | |
| Greycliff | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Polson | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Helena | At&t Local | Landline | |
| Columbia Falls | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Billings | Eltopia Communications, Llc - Mt | Landline | |
| Geyser | Qwest Corporation | Landline | |
| Bozeman | New Cingular Wireless Pcs, Llc | Landline | |
| Glasgow | Nemont Telephone Cooperative, Inc. | Landline | |
| Absarokee | Project Telephone Co., Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Columbus | Qwest Corporation | Landline | |
| Helena | Qwest Corporation | Landline | |
| Columbus | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Corvallis | Qwest Corporation | Landline | |
| Great Falls | Level 3 Communications, Llc - Mt | Landline | |
| Saco | Nemont Telephone Cooperative, Inc. | Landline | |
| Belfry | 360networks (usa) Inc. - Mt | Landline | |
| Poplar | Nemont Telephone Cooperative, Inc. | Landline | |
| Grass Range | Cable & Communications Corporation | Wireless | |
| Whitehall | Qwest Corporation | Landline | |
| Terry | Qwest Corporation | Landline | |
| Ledger | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Melstone | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Polson | Polson Communitytel, Inc. - Mt | Landline | |
| Charlo | Western Montana Communitytel Inc. - Mt | Landline | |
| Bozeman | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Culbertson | Nemont Telephone Cooperative, Inc. | Landline | |
| Missoula | Level 3 Communications, Llc - Mt | Landline | |
| Glasgow | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Marion | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Billings | 360networks (usa) Inc. - Mt | Landline | |
| Great Falls | 360networks (usa) Inc. - Mt | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Big Timber | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Milltown | Qwest Corporation | Landline | |
| Columbus | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Miles City | Cable & Communications Corporation | Wireless | |
| Great Falls | Qwest Corporation | Landline | |
| Polson | Ronan Telephone Co. | Landline | |
| Billings | New Cingular Wireless Pcs, Llc | Wireless | |
| Billings | One Eighty Communications, Inc. - Mt | Landline | |
| Arlee | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Shelby | Level 3 Communications, Llc - Mt | Landline | |
| Livingston | Qwest Corporation | Landline | |
| Bozeman | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Billings | Mtpcs, Llc | Wireless | |
| Ronan | Ronan Telephone Co. | Landline | |
| Jefferson City | Qwest Corporation | Landline | |
| Great Falls | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Hobson | Central Montana Communications, Inc. | Landline | |
| Wolf Creek | Qwest Corporation | Landline | |
| Sidney | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Bonner | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Hardin | Mtpcs, Llc | Wireless | |
| Bigfork | New Cingular Wireless Pcs, Llc | Wireless | |
| Silver Star | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Judith Gap | Central Montana Communications, Inc. | Landline | |
| Three Forks | 360networks (usa) Inc. - Mt | Landline | |
| Bozeman | Montana Opticom, Llc - Mt | Landline | |
| Rudyard | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Culbertson | New Cingular Wireless Pcs, Llc | Wireless | |
| Columbia Falls | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Frazer | Nemont Telephone Cooperative, Inc. | Landline | |
| Opheim | Nemont Telephone Cooperative, Inc. | Landline | |
| Somers | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Noxon | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Billings | New Cingular Wireless Pcs, Llc | Wireless | |
| Vida | Cable & Communications Corporation | Wireless | |
| Dillon | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Anaconda | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Columbus | 360networks (usa) Inc. - Mt | Landline | |
| Powderville | Range Telephone Cooperative, Inc. | Landline | |
| Townsend | Qwest Corporation | Landline | |
| Billings | Qwest Corporation | Landline | |
| Hamilton | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Wilsall | Qwest Corporation | Landline | |
| Helena | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Missoula | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Livingston | New Cingular Wireless Pcs, Llc | Wireless | |
| West Yellowstone | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Plentywood | Nemont Telephone Cooperative, Inc. | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Hot Springs | Hot Springs Telephone Co. | Landline | |
| Great Falls | Level 3 Communications, Llc - Mt | Landline | |
| Billings | One Eighty Communications, Inc. - Mt | Landline | |
| Forsyth | Level 3 Communications, Llc - Mt | Landline | |
| Broadus | Range Telephone Cooperative, Inc. | Landline | |
| Saint Ignatius | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Stevensville | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Savage | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Boyd | Qwest Corporation | Landline | |
| Belt | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Glendive | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Hammond | Range Telephone Cooperative, Inc. | Landline | |
| Ronan | Ronan Telephone Co. | Landline | |
| Forsyth | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Ronan | Mtpcs, Llc | Wireless | |
| Havre | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Gold Creek | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Billings | Eltopia Communications, Llc - Mt | Landline | |
| Otter | Range Telephone Cooperative, Inc. | Landline | |
| Kalispell | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Jordan | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Jordan | Cable & Communications Corporation | Wireless | |
| Harlem | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Kremlin | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Conner | Qwest Corporation | Landline | |
| Ulm | Qwest Corporation | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Superior | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Lame Deer | Range Telephone Cooperative, Inc. | Landline | |
| Sidney | Reservation Telephone Cooperative | Landline | |
| Billings | 365 Wireless, Llc | Wireless | |
| Kalispell | Bresnan Broadband of Montana, Llc - Mt | Wireless | |
| Sand Coulee | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Great Falls | 3 Rivers Telephone Cooperative, Inc. - Mt | Landline | |
| Fairview | Qwest Corporation | Landline | |
| Vaughn | Qwest Corporation | Landline | |
| Belgrade | Qwest Corporation | Landline | |
| Fort Smith | Project Telephone Co., Inc. | Landline | |
| Savage | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Glasgow | Nemont Telephone Cooperative, Inc. | Landline | |
| Havre | Central Montana Communications, Inc. | Landline | |
| Plentywood | Nemont Telephone Cooperative, Inc. | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Box Elder | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Choteau | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Libby | Citizens Telecom Co of Mt-frontier Comm of Mt | Landline | |
| Roy | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Belt | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Ronan | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Kevin | Mtpcs, Llc | Wireless | |
| Lincoln | Lincoln Telephone Company, Inc. | Landline | |
| Helena | Qwest Corporation | Landline | |
| Missoula | Sprint Spectrum L.p.- Mt | Wireless | |
| Vaughn | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Coffee Creek | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Glasgow | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Clinton | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Saint Marie | Nemont Telephone Cooperative, Inc. | Landline | |
| Townsend | New Cingular Wireless Pcs, Llc | Wireless | |
| Miles City | Qwest Corporation | Landline | |
| Red Lodge | Qwest Corporation | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Helena | New Cingular Wireless Pcs, Llc | Wireless | |
| Bozeman | Qwest Corporation | Landline | |
| Butte | New Cingular Wireless Pcs, Llc | Wireless | |
| Hamilton | Qwest Corporation | Landline | |
| Bigfork | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Laurel | New Cingular Wireless Pcs, Llc | Wireless | |
| Lewistown | New Cingular Wireless Pcs, Llc | Wireless | |
| Paradise | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Dutton | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Elmo | 360networks (usa) Inc. - Mt | Landline | |
| Anaconda | Qwest Corporation | Landline | |
| Great Falls | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Havre | Qwest Corporation | Landline | |
| Helena | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Helena | Qwest Corporation | Landline | |
| Billings | Qwest Corporation | Landline | |
| Dillon | Qwest Corporation | Landline | |
| Miles City | Qwest Corporation | Landline | |
| Boulder | Qwest Corporation | Landline | |
| Charlo | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Polson | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Hamilton | Qwest Corporation | Landline | |
| Missoula | Mtpcs, Llc | Wireless | |
| Billings | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Billings | Sagebrush Cellular, Inc. | Wireless | |
| Glendive | New Cingular Wireless Pcs, Llc | Wireless | |
| Geraldine | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Roundup | Cable & Communications Corporation | Wireless | |
| Livingston | Level 3 Communications, Llc - Mt | Landline | |
| Bozeman | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Silver Gate | Qwest Corporation | Landline | |
| Glasgow | Nemont Telephone Cooperative, Inc. | Landline | |
| Miles City | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Richey | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Kalispell | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Hinsdale | Nemont Telephone Cooperative, Inc. | Landline | |
| Mildred | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Glendive | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Livingston | Qwest Corporation | Landline | |
| Billings | 360networks (usa) Inc. - Mt | Landline | |
| Alberton | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Redstone | Nemont Telephone Cooperative, Inc. | Landline | |
| Carter | Mtpcs, Llc | Wireless | |
| Nashua | Nemont Telephone Cooperative, Inc. | Landline | |
| Wolf Point | Sagebrush Cellular, Inc. | Landline | |
| Kalispell | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Baker | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Kalispell | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Billings | Sprint Spectrum L.p.- Mt | Wireless | |
| Livingston | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Glendive | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Havre | New Cingular Wireless Pcs, Llc | Wireless | |
| Shelby | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Helena | Mtpcs, Llc | Wireless | |
| Whitefish | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Baker | New Cingular Wireless Pcs, Llc | Wireless | |
| Sidney | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Bozeman | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Helena | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Helena | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Great Falls | Level 3 Communications, Llc - Mt | Landline | |
| Valier | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Havre | New Cingular Wireless Pcs, Llc | Wireless | |
| Clancy | Qwest Corporation | Landline | |
| Highwood | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Seeley Lake | New Cingular Wireless Pcs, Llc | Wireless | |
| Opheim | Nemont Telephone Cooperative, Inc. | Landline | |
| Nashua | Nemont Telephone Cooperative, Inc. | Landline | |
| Clancy | Qwest Corporation | Landline | |
| Jackson | Southern Montana Telephone Co. | Landline | |
| Kalispell | New Cingular Wireless Pcs, Llc | Wireless | |
| Fromberg | Qwest Corporation | Landline | |
| Billings | Qwest Corporation | Landline | |
| Cut Bank | Mtpcs, Llc | Wireless | |
| Somers | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Helena | Qwest Corporation | Landline | |
| Winifred | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Huntley | Project Telephone Co., Inc. | Landline | |
| Whitefish | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| West Yellowstone | Qwest Corporation | Landline | |
| Darby | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Helena | Qwest Corporation | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Lewistown | Level 3 Communications, Llc - Mt | Landline | |
| Havre | Qwest Corporation | Landline | |
| Great Falls | Blackfoot Communications, Inc. - Mt | Landline | |
| Rosebud | Range Telephone Cooperative, Inc. | Landline | |
| Billings | Mcimetro Access Transmission Services Llc | Landline | |
| Brockton | Nemont Telephone Cooperative, Inc. | Landline | |
| Nashua | Nemont Telephone Cooperative, Inc. | Landline | |
| Hysham | Range Telephone Cooperative, Inc. | Landline | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Lewistown | Central Montana Communications, Inc. | Landline | |
| Richey | Cable & Communications Corporation | Wireless | |
| Alzada | Cable & Communications Corporation | Wireless | |
| Bozeman | New Cingular Wireless Pcs, Llc | Wireless | |
| Laurel | Qwest Corporation | Landline | |
| Ennis | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Winnett | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Laurel | Level 3 Communications, Llc - Mt | Landline | |
| Manhattan | New Cingular Wireless Pcs, Llc | Wireless | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Landline | |
| Bozeman | New Cingular Wireless Pcs, Llc | Wireless | |
| Glendive | Cable & Communications Corporation | Wireless | |
| Big Sandy | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Sweet Grass | Northern Telephone Cooperative, Inc. | Landline | |
| Conrad | New Cingular Wireless Pcs, Llc | Wireless | |
| Lavina | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Butte | New Cingular Wireless Pcs, Llc | Wireless | |
| Froid | Nemont Telephone Cooperative, Inc. | Landline | |
| Wise River | Southern Montana Telephone Co. | Landline | |
| Bozeman | Nexus Communications, Inc. | Wireless | |
| Wibaux | Midstate Communications, Inc. | Landline | |
| Forsyth | Range Telephone Cooperative, Inc. - Mt | Landline | |
| Pompeys Pillar | Project Telephone Co., Inc. | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Terry | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Augusta | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Thompson Falls | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Billings | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Missoula | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Boulder | 360networks (usa) Inc. - Mt | Landline | |
| Ronan | Ymax Communications Corp. - Mt | Landline | |
| Canyon Creek | 360networks (usa) Inc. - Mt | Landline | |
| Butte | Sprint Spectrum L.p.- Mt | Wireless | |
| Chester | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Lavina | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Plevna | New Cingular Wireless Pcs, Llc | Wireless | |
| Missoula | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Sheridan | 3 Rivers Telephone Cooperative, Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Kila | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Miles City | Level 3 Communications, Llc - Mt | Landline | |
| Glendive | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Powderville | Range Telephone Cooperative, Inc. | Landline | |
| Dodson | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Billings | Tc Systems, Inc. - Mt | Landline | |
| Billings | One Eighty Communications, Inc. - Mt | Landline | |
| Helena | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Libby | New Cingular Wireless Pcs, Llc | Wireless | |
| Dillon | Southern Montana Telephone Co. | Landline | |
| Saint Regis | New Cingular Wireless Pcs, Llc | Wireless | |
| Red Lodge | Qwest Corporation | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Sidney | Level 3 Communications, Llc - Mt | Landline | |
| Anaconda | Qwest Corporation | Landline | |
| Butte | At&t Local | Landline | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Alzada | Rt Communications | Landline | |
| Thompson Falls | New Cingular Wireless Pcs, Llc | Wireless | |
| Cut Bank | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Malta | Sagebrush Cellular, Inc. | Wireless | |
| Joliet | 360networks (usa) Inc. - Mt | Landline | |
| Billings | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Divide | Mtpcs, Llc | Wireless | |
| Missoula | At&t Local | Landline | |
| Glendive | Qwest Corporation | Landline | |
| Butte | Level 3 Communications, Llc - Mt | Landline | |
| Billings | Qwest Corporation | Landline | |
| Butte | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Bozeman | 360networks (usa) Inc. - Mt | Landline | |
| Canyon Creek | Lincoln Telephone Company, Inc. | Landline | |
| Red Lodge | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Bridger | Project Telephone Co., Inc. | Landline | |
| Billings | Level 3 Communications, Llc - Mt | Landline | |
| Great Falls | 3 Rivers Telephone Cooperative, Inc. - Mt | Landline | |
| Fort Harrison | Qwest Corporation | Landline | |
| Gardiner | Qwest Corporation | Landline | |
| Miles City | Cable & Communications Corporation | Wireless | |
| Lodge Grass | 360networks (usa) Inc. - Mt | Landline | |
| Conrad | New Cingular Wireless Pcs, Llc | Wireless | |
| Molt | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Butte | Qwest Corporation | Landline | |
| Billings | Mtpcs, Llc | Wireless | |
| Birney | Range Telephone Cooperative, Inc. | Landline | |
| Kalispell | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Polson | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Lewistown | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Wolf Point | Cable & Communications Corporation | Wireless | |
| Cascade | Qwest Corporation | Landline | |
| Malta | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Missoula | Qwest Corporation | Landline | |
| Seeley Lake | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Dodson | Central Montana Communications, Inc. | Landline | |
| East Glacier Park | Qwest Corporation | Landline | |
| Lewistown | Qwest Corporation | Landline | |
| Laurel | Qwest Corporation | Landline | |
| Divide | Southern Montana Telephone Co. | Landline | |
| Wyola | Project Telephone Co., Inc. | Landline | |
| Dillon | Level 3 Communications, Llc - Mt | Landline | |
| Billings | Bandwidth.com Clec, Llc - Mt | Landline | |
| Helena | Qwest Corporation | Landline | |
| Glendive | Level 3 Communications, Llc - Mt | Landline | |
| Kalispell | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Miles City | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Cut Bank | Northern Telephone Cooperative, Inc. | Landline | |
| Fortine | Interbel Telephone Cooperative, Inc. | Landline | |
| Butte | Qwest Corporation | Landline | |
| Frannie | Tct West, Inc. | Landline | |
| Dillon | New Cingular Wireless Pcs, Llc | Wireless | |
| Bozeman | Qwest Corporation | Landline | |
| Sidney | Qwest Corporation | Landline | |
| Livingston | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Seeley Lake | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Anaconda | Qwest Corporation | Landline | |
| Billings | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Marion | 360networks (usa) Inc. - Mt | Landline | |
| Havre | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Polson | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Polson | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Hamilton | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Deer Lodge | Mtpcs, Llc | Wireless | |
| Colstrip | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Missoula | Qwest Corporation | Landline | |
| Missoula | Tc Systems, Inc. - Mt | Landline | |
| Angela | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Rosebud | New Cingular Wireless Pcs, Llc | Wireless | |
| Plentywood | Nemont Telephone Cooperative, Inc. | Landline | |
| Kalispell | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Belgrade | Level 3 Communications, Llc - Mt | Landline | |
| Conrad | 3 Rivers Telephone Cooperative, Inc. - Mt | Landline | |
| Butte | Qwest Corporation | Landline | |
| Billings | Qwest Corporation | Landline | |
| Lewistown | Level 3 Communications, Llc - Mt | Landline | |
| Lakeside | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Missoula | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Polson | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Whitefish | 360networks (usa) Inc. - Mt | Landline | |
| Helena | New Cingular Wireless Pcs, Llc | Wireless | |
| Wibaux | Qwest Corporation | Landline | |
| Miles City | Mtpcs, Llc | Wireless | |
| Laurel | 360networks (usa) Inc. - Mt | Landline | |
| Columbia Falls | Contact Communications, Inc. - Wyoming | Landline | |
| Conrad | New Cingular Wireless Pcs, Llc | Landline | |
| Missoula | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Fairview | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Decker | Range Telephone Cooperative, Inc. | Landline | |
| Kalispell | Centurytel of Montana, Inc. Dba Centurylink | Landline | |
| Forsyth | Mtpcs, Llc | Wireless | |
| Great Falls | Pacific Telecom Communications Group - Mt | Landline | |
| Missoula | New Cingular Wireless Pcs, Llc | Wireless | |
| Great Falls | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Eureka | Interbel Telephone Cooperative, Inc. | Landline | |
| Great Falls | 360networks (usa) Inc. - Mt | Landline | |
| Billings | Qwest Corporation | Landline | |
| Libby | Citizens Telecom Co of Mt-frontier Comm of Mt | Landline | |
| Helena | 3 Rivers Telephone Cooperative, Inc. - Mt | Landline | |
| Great Falls | Central Montana Communications, Inc. | Landline | |
| Butte | Qwest Corporation | Landline | |
| Shawmut | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Sidney | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Helena | Level 3 Communications, Llc - Mt | Landline | |
| Great Falls | Sprint Spectrum L.p.- Mt | Wireless | |
| Helena | 360networks (usa) Inc. - Mt | Landline | |
| Sidney | New Cingular Wireless Pcs, Llc | Wireless | |
| Alberton | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Townsend | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Baker | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Helena | New Cingular Wireless Pcs, Llc | Landline | |
| Helena | Sprint Spectrum L.p.- Mt | Wireless | |
| Ekalaka | Cable & Communications Corporation | Wireless | |
| Helena | Level 3 Communications, Llc - Mt | Landline | |
| Bozeman | Level 3 Communications, Llc - Mt | Landline | |
| Missoula | 360networks (usa) Inc. - Mt | Landline | |
| Great Falls | 365 Wireless, Llc | Wireless | |
| Browning | Mtpcs, Llc | Wireless | |
| Kremlin | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Butte | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Dutton | Qwest Corporation | Landline | |
| Billings | Qwest Corporation | Landline | |
| Red Lodge | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Plentywood | Nemont Telephone Cooperative, Inc. | Landline | |
| Kalispell | New Cingular Wireless Pcs, Llc | Wireless | |
| Great Falls | Mtpcs, Llc | Wireless | |
| Ryegate | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Lambert | Cable & Communications Corporation | Wireless | |
| Philipsburg | Blackfoot Telephone Cooperative, Inc. | Landline | |
| Roundup | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Butte | 360networks (usa) Inc. - Mt | Landline | |
| Helena | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Billings | Qwest Corporation | Landline | |
| Shelby | New Cingular Wireless Pcs, Llc | Wireless | |
| Kalispell | New Cingular Wireless Pcs, Llc | Wireless | |
| Glendive | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Valier | Qwest Corporation | Landline | |
| Lewistown | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Reed Point | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Belgrade | Mcimetro Access Transmission Services Llc | Landline | |
| Billings | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Great Falls | Qwest Corporation | Landline | |
| Frenchtown | Level 3 Communications, Llc - Mt | Landline | |
| Chester | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Columbus | New Cingular Wireless Pcs, Llc | Wireless | |
| Bigfork | 360networks (usa) Inc. - Mt | Landline | |
| Broadus | Cable & Communications Corporation | Wireless | |
| Missoula | Level 3 Communications, Llc - Mt | Landline | |
| Kalispell | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Havre | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Shelby | Mtpcs, Llc | Wireless | |
| Missoula | Qwest Corporation | Landline | |
| Missoula | Sprint Spectrum L.p.- Mt | Wireless | |
| Missoula | Qwest Corporation | Landline | |
| Billings | Tri Tel, Inc. - Mt | Landline | |
| Libby | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Bozeman | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Martinsdale | Central Montana Communications, Inc. | Landline | |
| Bozeman | Qwest Corporation | Landline | |
| Greycliff | Mtpcs, Llc | Wireless | |
| Chinook | Triangle Telephone Cooperative Assn., Inc. | Landline | |
| Homestead | Nemont Telephone Cooperative, Inc. | Landline | |
| Roundup | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Helena | Mcimetro Access Transmission Services Llc | Landline | |
| Roundup | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Bozeman | One Eighty Communications, Inc. - Mt | Landline | |
| Medicine Lake | Nemont Telephone Cooperative, Inc. | Landline | |
| Wyola | Qwest Corporation | Landline | |
| Glendive | Qwest Corporation | Landline | |
| Bozeman | Sprint Spectrum L.p.- Mt | Wireless | |
| Babb | Qwest Corporation | Landline | |
| Sidney | Cable & Communications Corporation | Wireless | |
| West Yellowstone | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Whitefish | 360networks (usa) Inc. - Mt | Landline | |
| Great Falls | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Culbertson | New Cingular Wireless Pcs, Llc | Wireless | |
| Eureka | Interbel Telephone Cooperative, Inc. - Mt | Landline | |
| Bigfork | 360networks (usa) Inc. - Mt | Landline | |
| Hardin | Level 3 Communications, Llc - Mt | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Lewistown | Mtpcs, Llc | Wireless | |
| Billings | New Cingular Wireless Pcs, Llc | Wireless | |
| Sweet Grass | Northern Telephone Cooperative, Inc. | Landline | |
| Superior | New Cingular Wireless Pcs, Llc | Wireless | |
| Bozeman | Qwest Corporation | Landline | |
| Livingston | Qwest Corporation | Landline | |
| Sidney | Level 3 Communications, Llc - Mt | Landline | |
| Belfry | Qwest Corporation | Landline | |
| Lakeside | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Bozeman | At&t Local | Landline | |
| Billings | One Eighty Communications, Inc. - Mt | Landline | |
| Dillon | Mtpcs, Llc | Wireless | |
| Bozeman | Smart Call, Llc | Landline | |
| Missoula | Qwest Corporation | Landline | |
| Hardin | Qwest Corporation | Landline | |
| Billings | Qwest Corporation | Landline | |
| Billings | Level 3 Communications, Llc - Mt | Landline | |
| Glasgow | Sagebrush Cellular, Inc. | Landline | |
| Billings | Qwest Corporation | Landline | |
| Gallatin Gateway | Montana Opticom, Llc - Mt | Landline | |
| Miles City | Mid-rivers Telephone Cooperative, Inc. | Landline | |
| Butte | New Cingular Wireless Pcs, Llc | Wireless | |
| Billings | One Eighty Communications, Inc. - Mt | Landline | |
| Red Lodge | Mtpcs, Llc | Wireless | |
| Clinton | Bresnan Broadband of Montana, Llc - Mt | Landline | |
| Billings | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Box Elder | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Roy | Cable & Communications Corporation | Wireless | |
| Geraldine | Central Montana Communications, Inc. | Landline | |
| Missoula | Cellco Partnership Dba Verizon Wireless - Mt | Wireless | |
| Wolf Point | Nemont Telephone Cooperative, Inc. | Landline | |
| Glasgow | Mtpcs, Llc | Wireless |