Area Code 406 Location - Montana
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Cities in Areacode 406
- Billings
- Bozeman
- Butte
- Great Falls
- Helena
- Missoula
| PREFIX | USAGE | PRIMARY CITY | CARRIER |
|---|---|---|---|
| 406-530- | Landline | Laurel | Level 3 Communications |
| 406-541- | Landline | Missoula | Blackfoot Communications |
| 406-898- | Landline | Bozeman | Bresnan Broadband Of Montana |
| 406-722- | Landline | Alberton | Blackfoot Telephone Cooperative |
| 406-938- | Wireless | Alzada | Cable & Communications Corporation |
| 406-213- | Landline | Rosebud | Level 3 Communications |
| 406-449- | Landline | Helena | Qwest Corporation |
| 406-331- | Wireless | Roundup | Cellco Partnership DBA Verizon Wireless |
| 406-564- | Landline | Great Falls | Level 3 Communications |
| 406-669- | Landline | Molt | Triangle Telephone Cooperative Assn. |
| 406-628- | Landline | Laurel | Qwest Corporation |
| 406-300- | Landline | Kalispell | Bresnan Broadband Of Montana |
| 406-869- | Landline | Billings | One Eighty Communications |
| 406-239- | Wireless | Missoula | New Cingular Wireless PCS |
| 406-755- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-235- | Landline | Wolf Creek | Qwest Corporation |
| 406-528- | Landline | Ronan | Ronan Telephone Co. |
| 406-201- | Wireless | Rosebud | New Cingular Wireless PCS |
| 406-671- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-974- | Wireless | Circle | Cable & Communications Corporation |
| 406-352- | Landline | Box Elder | Triangle Telephone Cooperative Assn. |
| 406-825- | Landline | Clinton | Blackfoot Telephone Cooperative |
| 406-651- | Landline | Billings | Qwest Corporation |
| 406-847- | Landline | Noxon | Blackfoot Telephone Cooperative |
| 406-965- | Landline | Vaughn | Qwest Corporation |
| 406-255- | Landline | Billings | Qwest Corporation |
| 406-729- | Wireless | Hathaway | Mtpcs |
| 406-736- | Landline | Sand Coulee | 3 Rivers Telephone Cooperative |
| 406-896- | Landline | Billings | Qwest Corporation |
| 406-967- | Landline | Worden | Project Telephone Co. |
| 406-720- | Wireless | Ashland | Cellco Partnership DBA Verizon Wireless |
| 406-315- | Landline | Great Falls | Bresnan Broadband Of Montana |
| 406-353- | Landline | Harlem | Central Montana Communications |
| 406-868- | Wireless | Great Falls | Cellco Partnership DBA Verizon Wireless |
| 406-787- | Landline | Culbertson | Nemont Telephone Cooperative |
| 406-546- | Wireless | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-461- | Wireless | Helena | Cellco Partnership DBA Verizon Wireless |
| 406-744- | Landline | Charlo | Western Montana Communitytel Inc. |
| 406-459- | Wireless | Helena | Cellco Partnership DBA Verizon Wireless |
| 406-946- | Landline | Livingston | Level 3 Communications |
| 406-978- | Wireless | Baker | Cable & Communications Corporation |
| 406-415- | Landline | Deer Lodge | Bresnan Broadband Of Montana |
| 406-939- | Wireless | Glendive | Cellco Partnership DBA Verizon Wireless |
| 406-335- | Landline | Sweet Grass | Northern Telephone Cooperative |
| 406-616- | Landline | Three Forks | Zayo Group LLC |
| 406-808- | Wireless | Havre | Mtpcs |
| 406-765- | Landline | Plentywood | Nemont Telephone Cooperative |
| 406-780- | Wireless | Columbus | Cellco Partnership DBA Verizon Wireless |
| 406-767- | Landline | Alzada | Rt Communications |
| 406-975- | Wireless | Ekalaka | Cable & Communications Corporation |
| 406-505- | Wireless | Conrad | New Cingular Wireless PCS |
| 406-983- | Wireless | Ashland | Cable & Communications Corporation |
| 406-440- | Landline | Helena | 3 Rivers Telephone Cooperative |
| 406-783- | Landline | Scobey | Nemont Telephone Cooperative |
| 406-491- | Wireless | Butte | New Cingular Wireless PCS |
| 406-647- | Landline | Billings | Bandwidth.com Clec |
| 406-231- | Wireless | Great Falls | New Cingular Wireless PCS |
| 406-626- | Landline | Frenchtown | Qwest Corporation |
| 406-264- | Landline | Fort Shaw | 3 Rivers Telephone Cooperative |
| 406-426- | Wireless | Red Lodge | Cellco Partnership DBA Verizon Wireless |
| 406-367- | Landline | Glasgow | Nemont Telephone Cooperative |
| 406-798- | Landline | Sidney | Mid-rivers Telephone Cooperative |
| 406-366- | Wireless | Lewistown | Cellco Partnership DBA Verizon Wireless |
| 406-380- | Wireless | Lewistown | Cellco Partnership DBA Verizon Wireless |
| 406-436- | Landline | Broadus | Range Telephone Cooperative |
| 406-221- | Landline | Butte | AT&T Local |
| 406-936- | Wireless | Big Timber | Mtpcs |
| 406-371- | Landline | Billings | Mcimetro Access Transmission Services LLC |
| 406-993- | Landline | Ennis | 3 Rivers Telephone Cooperative |
| 406-859- | Landline | Philipsburg | Blackfoot Telephone Cooperative |
| 406-799- | Wireless | Great Falls | New Cingular Wireless PCS |
| 406-708- | Landline | Lewistown | Level 3 Communications |
| 406-435- | Landline | Billings | One Eighty Communications |
| 406-432- | Landline | Galata | Northern Telephone Cooperative |
| 406-981- | Wireless | Miles City | Cable & Communications Corporation |
| 406-474- | Landline | Whitetail | Nemont Telephone Cooperative |
| 406-521- | Wireless | Townsend | Cellco Partnership DBA Verizon Wireless |
| 406-789- | Landline | Medicine Lake | Nemont Telephone Cooperative |
| 406-278- | Landline | Conrad | Qwest Corporation |
| 406-372- | Landline | Kremlin | Triangle Telephone Cooperative Assn. |
| 406-678- | Landline | Saint Regis | Blackfoot Telephone Cooperative |
| 406-834- | Landline | Jackson | Southern Montana Telephone Co. |
| 406-691- | Wireless | Anaconda | New Cingular Wireless PCS |
| 406-559- | Wireless | Anaconda | Cellco Partnership DBA Verizon Wireless |
| 406-242- | Wireless | Thompson Falls | New Cingular Wireless PCS |
| 406-612- | Landline | Bigfork | Zayo Group LLC |
| 406-361- | Wireless | Hamilton | Cellco Partnership DBA Verizon Wireless |
| 406-838- | Landline | Cooke City | Qwest Corporation |
| 406-457- | Landline | Helena | Qwest Corporation |
| 406-597- | Wireless | Shelby | Mtpcs |
| 406-427- | Landline | Broadus | Range Telephone Cooperative |
| 406-948- | Landline | Glendive | Level 3 Communications |
| 406-439- | Wireless | Helena | New Cingular Wireless PCS |
| 406-328- | Landline | Absarokee | Project Telephone Co. |
| 406-370- | Wireless | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-267- | Landline | Divide | Southern Montana Telephone Co. |
| 406-567- | Landline | Denton | Central Montana Communications |
| 406-550- | Wireless | Missoula | Sprint Spectrum L.p.- Mt |
| 406-480- | Wireless | Sidney | Cellco Partnership DBA Verizon Wireless |
| 406-873- | Landline | Cut Bank | Qwest Corporation |
| 406-860- | Wireless | Billings | New Cingular Wireless PCS |
| 406-324- | Landline | Helena | Qwest Corporation |
| 406-404- | Landline | Bozeman | Bresnan Broadband Of Montana |
| 406-735- | Landline | Geyser | 3 Rivers Telephone Cooperative |
| 406-864- | Landline | Alberton | Blackfoot Telephone Cooperative |
| 406-568- | Landline | Ryegate | Mid-rivers Telephone Cooperative |
| 406-477- | Landline | Ashland | Range Telephone Cooperative |
| 406-699- | Wireless | Hardin | Mtpcs |
| 406-775- | Landline | Ekalaka | Mid-rivers Telephone Cooperative |
| 406-368- | Landline | Canyon Creek | Lincoln Telephone Company |
| 406-478- | Wireless | Sidney | Cellco Partnership DBA Verizon Wireless |
| 406-535- | Landline | Lewistown | Mid-rivers Telephone Cooperative |
| 406-354- | Landline | Angela | Mid-rivers Telephone Cooperative |
| 406-573- | Wireless | Browning | Mtpcs |
| 406-437- | Landline | Helena | Mcimetro Access Transmission Services LLC |
| 406-681- | Landline | Polaris | Southern Montana Telephone Co. |
| 406-659- | Landline | Wyola | Qwest Corporation |
| 406-621- | Wireless | Loma | Mtpcs |
| 406-272- | Landline | Billings | Zayo Group LLC |
| 406-475- | Landline | East Helena | Qwest Corporation |
| 406-310- | Wireless | Butte | Sprint Spectrum L.p.- Mt |
| 406-292- | Landline | Joplin | Triangle Telephone Cooperative Assn. |
| 406-486- | Landline | Fallon | Mid-rivers Telephone Cooperative |
| 406-202- | Wireless | Helena | New Cingular Wireless PCS |
| 406-312- | Landline | Bozeman | Smart Call |
| 406-375- | Landline | Hamilton | Qwest Corporation |
| 406-566- | Landline | Stanford | Central Montana Communications |
| 406-417- | Wireless | Helena | New Cingular Wireless PCS |
| 406-856- | Landline | Bighorn | Mid-rivers Telephone Cooperative |
| 406-545- | Landline | Billings | Level 3 Communications |
| 406-732- | Landline | Saint Mary | Qwest Corporation |
| 406-782- | Landline | Butte | Qwest Corporation |
| 406-224- | Wireless | Livingston | Cellco Partnership DBA Verizon Wireless |
| 406-640- | Wireless | West Yellowstone | Cellco Partnership DBA Verizon Wireless |
| 406-790- | Wireless | Culbertson | New Cingular Wireless PCS |
| 406-273- | Landline | Lolo | Qwest Corporation |
| 406-330- | Landline | Clinton | Bresnan Broadband Of Montana |
| 406-745- | Landline | Saint Ignatius | Blackfoot Telephone Cooperative |
| 406-922- | Landline | Bozeman | One Eighty Communications |
| 406-560- | Wireless | Anaconda | Cellco Partnership DBA Verizon Wireless |
| 406-233- | Landline | Miles City | Qwest Corporation |
| 406-580- | Wireless | Bozeman | New Cingular Wireless PCS |
| 406-363- | Landline | Hamilton | Qwest Corporation |
| 406-346- | Landline | Forsyth | Range Telephone Cooperative |
| 406-894- | Landline | Billings | Mid-rivers Telephone Cooperative |
| 406-888- | Landline | Columbia Falls | Qwest Corporation |
| 406-254- | Landline | Billings | Qwest Corporation |
| 406-299- | Landline | Butte | Level 3 Communications |
| 406-540- | Landline | Missoula | Zayo Group LLC |
| 406-244- | Landline | Potomac | Blackfoot Telephone Cooperative |
| 406-913- | Wireless | Roundup | Cable & Communications Corporation |
| 406-879- | Wireless | Havre | New Cingular Wireless PCS |
| 406-832- | Landline | Wise River | Southern Montana Telephone Co. |
| 406-314- | Wireless | Kalispell | New Cingular Wireless PCS |
| 406-733- | Landline | Highwood | 3 Rivers Telephone Cooperative |
| 406-931- | Wireless | Big Timber | Cellco Partnership DBA Verizon Wireless |
| 406-271- | Landline | Conrad | 3 Rivers Telephone Cooperative |
| 406-571- | Landline | Polson | Bresnan Broadband Of Montana |
| 406-483- | Landline | Dagmar | Nemont Telephone Cooperative |
| 406-830- | Landline | Missoula | Bresnan Broadband Of Montana |
| 406-309- | Wireless | Kalispell | Bresnan Broadband Of Montana |
| 406-397- | Landline | Hingham | Triangle Telephone Cooperative Assn. |
| 406-944- | Landline | Miles City | Level 3 Communications |
| 406-515- | Wireless | Superior | New Cingular Wireless PCS |
| 406-359- | Landline | Glendive | Qwest Corporation |
| 406-721- | Landline | Missoula | Qwest Corporation |
| 406-966- | Landline | Shelby | Level 3 Communications |
| 406-926- | Landline | Missoula | Bresnan Broadband Of Montana |
| 406-971- | Wireless | Plevna | Cable & Communications Corporation |
| 406-424- | Landline | Great Falls | 3 Rivers Telephone Cooperative |
| 406-565- | Landline | Butte | Level 3 Communications |
| 406-606- | Landline | Billings | Tri Tel |
| 406-949- | Wireless | Townsend | New Cingular Wireless PCS |
| 406-570- | Wireless | Bozeman | Cellco Partnership DBA Verizon Wireless |
| 406-288- | Landline | Drummond | Blackfoot Telephone Cooperative |
| 406-467- | Landline | Fairfield | 3 Rivers Telephone Cooperative |
| 406-514- | Wireless | Culbertson | New Cingular Wireless PCS |
| 406-942- | Wireless | Glasgow | Cellco Partnership DBA Verizon Wireless |
| 406-520- | Wireless | Absarokee | Mtpcs |
| 406-977- | Wireless | Jordan | Cable & Communications Corporation |
| 406-800- | Landline | Bridger | Zayo Group LLC |
| 406-725- | Landline | Larslan | Nemont Telephone Cooperative |
| 406-228- | Landline | Glasgow | Nemont Telephone Cooperative |
| 406-373- | Landline | Huntley | Qwest Corporation |
| 406-325- | Landline | Billings | One Eighty Communications |
| 406-400- | Unknown | Montana Sky West LLC | |
| 406-842- | Landline | Sheridan | 3 Rivers Telephone Cooperative |
| 406-643- | Landline | Wyola | Zayo Group LLC |
| 406-836- | Wireless | Great Falls | Sprint Spectrum L.p.- Mt |
| 406-658- | Landline | Malta | Triangle Telephone Cooperative Assn. |
| 406-876- | Landline | Billings | Eltopia Communications |
| 406-759- | Landline | Chester | Triangle Telephone Cooperative Assn. |
| 406-592- | Landline | Busby | Range Telephone Cooperative |
| 406-781- | Wireless | Great Falls | Cellco Partnership DBA Verizon Wireless |
| 406-251- | Landline | Missoula | Qwest Corporation |
| 406-364- | Landline | Hinsdale | Nemont Telephone Cooperative |
| 406-695- | Landline | Wolf Point | Nemont Telephone Cooperative |
| 406-422- | Landline | Helena | Bresnan Broadband Of Montana |
| 406-693- | Landline | Anaconda | Qwest Corporation |
| 406-410- | Wireless | Helena | Sprint Spectrum L.p.- Mt |
| 406-493- | Landline | Missoula | Bresnan Broadband Of Montana |
| 406-826- | Landline | Plains | Blackfoot Telephone Cooperative |
| 406-263- | Landline | Glasgow | Sagebrush Cellular |
| 406-591- | Wireless | Billings | Mtpcs |
| 406-989- | Wireless | Glendive | New Cingular Wireless PCS |
| 406-632- | Landline | Two Dot | Central Montana Communications |
| 406-615- | Wireless | Thompson Falls | Western Montana Communitytel Inc. |
| 406-941- | Wireless | Glendive | Cellco Partnership DBA Verizon Wireless |
| 406-846- | Landline | Deer Lodge | Qwest Corporation |
| 406-584- | Landline | Lindsay | Mid-rivers Telephone Cooperative |
| 406-698- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-875- | Landline | Worden | Project Telephone Co. |
| 406-492- | Landline | Garrison | Blackfoot Telephone Cooperative |
| 406-827- | Landline | Thompson Falls | Blackfoot Telephone Cooperative |
| 406-336- | Landline | Cut Bank | Northern Telephone Cooperative |
| 406-762- | Landline | Opheim | Nemont Telephone Cooperative |
| 406-230- | Wireless | Glasgow | Cellco Partnership DBA Verizon Wireless |
| 406-322- | Landline | Columbus | Qwest Corporation |
| 406-270- | Wireless | Kalispell | Cellco Partnership DBA Verizon Wireless |
| 406-465- | Wireless | Helena | Cellco Partnership DBA Verizon Wireless |
| 406-261- | Wireless | Kalispell | New Cingular Wireless PCS |
| 406-329- | Landline | Missoula | Qwest Corporation |
| 406-848- | Landline | Emigrant | Qwest Corporation |
| 406-200- | Landline | Billings | Teleport Communications America - Mt - LLC |
| 406-761- | Landline | Great Falls | Qwest Corporation |
| 406-625- | Landline | Stevensville | Bresnan Broadband Of Montana |
| 406-587- | Landline | Bozeman | Qwest Corporation |
| 406-479- | Wireless | Butte | Cellco Partnership DBA Verizon Wireless |
| 406-934- | Wireless | Miles City | Cable & Communications Corporation |
| 406-291- | Wireless | Libby | Cellco Partnership DBA Verizon Wireless |
| 406-285- | Landline | Three Forks | Qwest Corporation |
| 406-835- | Landline | Divide | 3 Rivers Telephone Cooperative |
| 406-863- | Landline | Whitefish | Centurytel Of Montana DBA Centurylink |
| 406-686- | Landline | Clyde Park | Qwest Corporation |
| 406-337- | Landline | Sunburst | Northern Telephone Cooperative |
| 406-723- | Landline | Butte | Qwest Corporation |
| 406-915- | Wireless | Wolf Point | Cable & Communications Corporation |
| 406-298- | Wireless | Columbus | Cellco Partnership DBA Verizon Wireless |
| 406-866- | Landline | Great Falls | Qwest Corporation |
| 406-462- | Landline | Winifred | Triangle Telephone Cooperative Assn. |
| 406-652- | Landline | Billings | Qwest Corporation |
| 406-569- | Landline | Sidney | Reservation Telephone Cooperative |
| 406-726- | Landline | Arlee | Blackfoot Telephone Cooperative |
| 406-240- | Wireless | Missoula | New Cingular Wireless PCS |
| 406-554- | Landline | Olive | Range Telephone Cooperative |
| 406-407- | Wireless | Kalispell | Cellco Partnership DBA Verizon Wireless |
| 406-960- | Landline | Dillon | Level 3 Communications |
| 406-539- | Wireless | Bozeman | New Cingular Wireless PCS |
| 406-957- | Wireless | Terry | Cable & Communications Corporation |
| 406-392- | Landline | Frazer | Nemont Telephone Cooperative |
| 406-313- | Landline | Boulder | Zayo Group LLC |
| 406-303- | Landline | Missoula | Teleport Communications America - Mt - LLC |
| 406-885- | Wireless | Kalispell | Mtpcs |
| 406-844- | Landline | Lakeside | Centurytel Of Montana DBA Centurylink |
| 406-884- | Landline | Polson | Centurytel Of Montana DBA Centurylink |
| 406-779- | Landline | Flaxville | Nemont Telephone Cooperative |
| 406-962- | Landline | Joliet | Qwest Corporation |
| 406-357- | Landline | Chinook | Triangle Telephone Cooperative Assn. |
| 406-490- | Wireless | Butte | Cellco Partnership DBA Verizon Wireless |
| 406-302- | Landline | Wolf Creek | Zayo Group LLC |
| 406-572- | Landline | Martinsdale | Central Montana Communications |
| 406-283- | Landline | Libby | Citizens Telecom Co Of Mt-frontier Comm Of Mt |
| 406-351- | Wireless | Forsyth | Cellco Partnership DBA Verizon Wireless |
| 406-248- | Landline | Billings | Qwest Corporation |
| 406-260- | Wireless | Kalispell | New Cingular Wireless PCS |
| 406-586- | Landline | Bozeman | Qwest Corporation |
| 406-508- | Landline | Frenchtown | Level 3 Communications |
| 406-209- | Wireless | Bozeman | New Cingular Wireless PCS |
| 406-204- | Landline | Helena | Level 3 Communications |
| 406-533- | Landline | Butte | Qwest Corporation |
| 406-428- | Landline | Grass Range | Mid-rivers Telephone Cooperative |
| 406-414- | Landline | Bozeman | Qwest Corporation |
| 406-861- | Wireless | Billings | New Cingular Wireless PCS |
| 406-319- | Landline | Polson | Bresnan Broadband Of Montana |
| 406-472- | Landline | Pendroy | 3 Rivers Telephone Cooperative |
| 406-525- | Landline | Wolf Point | Mid-rivers Telephone Cooperative |
| 406-793- | Landline | Ovando | Blackfoot Telephone Cooperative |
| 406-837- | Landline | Bigfork | Centurytel Of Montana DBA Centurylink |
| 406-518- | Landline | Bozeman | Zayo Group LLC |
| 406-929- | Landline | Columbia Falls | Zayo Group LLC |
| 406-282- | Landline | Manhattan | Qwest Corporation |
| 406-348- | Landline | Huntley | Project Telephone Co. |
| 406-542- | Landline | Missoula | Qwest Corporation |
| 406-537- | Landline | Melville | Triangle Telephone Cooperative Assn. |
| 406-443- | Landline | Helena | Qwest Corporation |
| 406-210- | Wireless | Seeley Lake | Cellco Partnership DBA Verizon Wireless |
| 406-340- | Wireless | Lima | Mtpcs |
| 406-857- | Landline | Somers | Centurytel Of Montana DBA Centurylink |
| 406-687- | Landline | Glendive | Mid-rivers Telephone Cooperative |
| 406-850- | Wireless | Billings | New Cingular Wireless PCS |
| 406-943- | Landline | Sidney | Level 3 Communications |
| 406-662- | Landline | Bridger | Qwest Corporation |
| 406-657- | Landline | Billings | Qwest Corporation |
| 406-249- | Wireless | Kalispell | Cellco Partnership DBA Verizon Wireless |
| 406-524- | Landline | Nashua | Nemont Telephone Cooperative |
| 406-679- | Wireless | Hardin | Cellco Partnership DBA Verizon Wireless |
| 406-258- | Landline | Missoula | Qwest Corporation |
| 406-499- | Wireless | Seeley Lake | New Cingular Wireless PCS |
| 406-867- | Landline | Billings | One Eighty Communications |
| 406-752- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-320- | Wireless | Roundup | Cellco Partnership DBA Verizon Wireless |
| 406-595- | Wireless | Bozeman | Mtpcs |
| 406-601- | Landline | Billings | Blackfoot Communications |
| 406-670- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-987- | Wireless | Glendive | Cable & Communications Corporation |
| 406-753- | Landline | Brady | 3 Rivers Telephone Cooperative |
| 406-385- | Landline | Westby | Nemont Telephone Cooperative |
| 406-674- | Landline | Whitewater | Triangle Telephone Cooperative Assn. |
| 406-395- | Landline | Havre | Triangle Telephone Cooperative Assn. |
| 406-892- | Landline | Columbia Falls | Centurytel Of Montana DBA Centurylink |
| 406-673- | Landline | Zortman | Triangle Telephone Cooperative Assn. |
| 406-622- | Landline | Fort Benton | Central Montana Communications |
| 406-897- | Landline | Columbia Falls | Bresnan Broadband Of Montana |
| 406-760- | Landline | Great Falls | Zayo Group LLC |
| 406-388- | Landline | Belgrade | Qwest Corporation |
| 406-812- | Landline | Laurel | Zayo Group LLC |
| 406-589- | Wireless | Bozeman | Cellco Partnership DBA Verizon Wireless |
| 406-333- | Landline | Livingston | Qwest Corporation |
| 406-843- | Landline | Virginia City | 3 Rivers Telephone Cooperative |
| 406-274- | Landline | Missoula | AT&T Local |
| 406-683- | Landline | Dillon | Qwest Corporation |
| 406-225- | Landline | Boulder | Qwest Corporation |
| 406-527- | Landline | Saco | Nemont Telephone Cooperative |
| 406-792- | Landline | Butte | Onvoy |
| 406-747- | Landline | Sidney | Qwest Corporation |
| 406-398- | Landline | Havre | Triangle Telephone Cooperative Assn. |
| 406-750- | Wireless | Great Falls | Cellco Partnership DBA Verizon Wireless |
| 406-269- | Wireless | St Regis | New Cingular Wireless PCS |
| 406-820- | Landline | Whitefish | Zayo Group LLC |
| 406-262- | Landline | Havre | Qwest Corporation |
| 406-839- | Landline | Billings | Bresnan Broadband Of Montana |
| 406-829- | Landline | Missoula | Qwest Corporation |
| 406-740- | Wireless | Ashland | Cellco Partnership DBA Verizon Wireless |
| 406-473- | Landline | Judith Gap | Central Montana Communications |
| 406-627- | Landline | Brady | 3 Rivers Telephone Cooperative |
| 406-766- | Landline | Froid | Nemont Telephone Cooperative |
| 406-920- | Wireless | Bozeman | Sprint Spectrum L.p.- Mt |
| 406-788- | Wireless | Great Falls | Cellco Partnership DBA Verizon Wireless |
| 406-818- | Wireless | Red Lodge | Mtpcs |
| 406-858- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-534- | Landline | Billings | Bresnan Broadband Of Montana |
| 406-498- | Wireless | Butte | Cellco Partnership DBA Verizon Wireless |
| 406-947- | Landline | Musselshell | Mid-rivers Telephone Cooperative |
| 406-887- | Landline | Polson | Centurytel Of Montana DBA Centurylink |
| 406-849- | Landline | Elmo | Centurytel Of Montana DBA Centurylink |
| 406-877- | Landline | Wibaux | Midstate Communications |
| 406-845- | Landline | Cut Bank | Bresnan Broadband Of Montana |
| 406-620- | Wireless | Billings | Sagebrush Cellular |
| 406-451- | Wireless | Bozeman | Sprint Spectrum L.p.- Mt |
| 406-661- | Wireless | Billings | Sprint Spectrum L.p.- Mt |
| 406-434- | Landline | Shelby | Qwest Corporation |
| 406-667- | Landline | Broadview | Triangle Telephone Cooperative Assn. |
| 406-455- | Landline | Great Falls | Qwest Corporation |
| 406-930- | Wireless | Big Timber | Cellco Partnership DBA Verizon Wireless |
| 406-952- | Landline | Great Falls | Bresnan Broadband Of Montana |
| 406-588- | Landline | Plevna | Mid-rivers Telephone Cooperative |
| 406-742- | Landline | Sidney | Mid-rivers Telephone Cooperative |
| 406-600- | Wireless | Bozeman | Cellco Partnership DBA Verizon Wireless |
| 406-581- | Wireless | Bozeman | Cellco Partnership DBA Verizon Wireless |
| 406-301- | Wireless | Malta | Cellco Partnership DBA Verizon Wireless |
| 406-972- | Landline | Capitol | West River Cooperative Telephone Company |
| 406-219- | Landline | Bozeman | AT&T Local |
| 406-232- | Landline | Miles City | Qwest Corporation |
| 406-223- | Wireless | Livingston | Cellco Partnership DBA Verizon Wireless |
| 406-471- | Wireless | Kalispell | Cellco Partnership DBA Verizon Wireless |
| 406-855- | Wireless | Billings | New Cingular Wireless PCS |
| 406-862- | Landline | Whitefish | Centurytel Of Montana DBA Centurylink |
| 406-332- | Landline | Ronan | Blackfoot Telephone Cooperative |
| 406-644- | Landline | Charlo | Blackfoot Telephone Cooperative |
| 406-494- | Landline | Butte | Qwest Corporation |
| 406-208- | Wireless | Billings | New Cingular Wireless PCS |
| 406-450- | Wireless | Shelby | Cellco Partnership DBA Verizon Wireless |
| 406-430- | Landline | Helena | Zayo Group LLC |
| 406-641- | Wireless | West Yellowstone | Cellco Partnership DBA Verizon Wireless |
| 406-552- | Landline | Missoula | Level 3 Communications |
| 406-538- | Landline | Lewistown | Qwest Corporation |
| 406-880- | Wireless | Missoula | Mtpcs |
| 406-579- | Wireless | Bozeman | Cellco Partnership DBA Verizon Wireless |
| 406-463- | Landline | Power | 3 Rivers Telephone Cooperative |
| 406-399- | Wireless | Havre | Cellco Partnership DBA Verizon Wireless |
| 406-259- | Landline | Billings | Qwest Corporation |
| 406-369- | Wireless | Hamilton | New Cingular Wireless PCS |
| 406-448- | Landline | Brockton | Nemont Telephone Cooperative |
| 406-696- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-438- | Wireless | Helena | Cellco Partnership DBA Verizon Wireless |
| 406-234- | Landline | Miles City | Mid-rivers Telephone Cooperative |
| 406-593- | Wireless | Butte | Mtpcs |
| 406-878- | Wireless | Great Falls | 365 Wireless |
| 406-924- | Landline | Belgrade | Level 3 Communications |
| 406-429- | Landline | Winnett | Mid-rivers Telephone Cooperative |
| 406-996- | Landline | Helena | Bresnan Broadband Of Montana |
| 406-476- | Landline | Dutton | Qwest Corporation |
| 406-214- | Landline | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-583- | Landline | Bloomfield | Mid-rivers Telephone Cooperative |
| 406-730- | Landline | Whitefish | Bresnan Broadband Of Montana |
| 406-390- | Wireless | Havre | Cellco Partnership DBA Verizon Wireless |
| 406-890- | Landline | Kalispell | Bresnan Broadband Of Montana |
| 406-236- | Landline | Neihart | 3 Rivers Telephone Cooperative |
| 406-968- | Landline | Lewistown | Level 3 Communications |
| 406-756- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-523- | Landline | Missoula | Qwest Corporation |
| 406-751- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-979- | Wireless | Richey | Cable & Communications Corporation |
| 406-286- | Landline | Medicine Lake | Nemont Telephone Cooperative |
| 406-980- | Wireless | Townsend | Cellco Partnership DBA Verizon Wireless |
| 406-749- | Wireless | Ashland | New Cingular Wireless PCS |
| 406-349- | Landline | Conner | Blackfoot Telephone Cooperative |
| 406-728- | Landline | Missoula | Qwest Corporation |
| 406-731- | Landline | Great Falls | Qwest Corporation |
| 406-739- | Landline | Loma | Triangle Telephone Cooperative Assn. |
| 406-665- | Landline | Hardin | Qwest Corporation |
| 406-216- | Landline | Great Falls | 3 Rivers Telephone Cooperative |
| 406-382- | Wireless | Superior | New Cingular Wireless PCS |
| 406-548- | Landline | Bozeman | Qwest Corporation |
| 406-734- | Landline | Carter | 3 Rivers Telephone Cooperative |
| 406-360- | Wireless | Hamilton | Cellco Partnership DBA Verizon Wireless |
| 406-265- | Landline | Havre | Qwest Corporation |
| 406-549- | Landline | Missoula | Qwest Corporation |
| 406-266- | Landline | Townsend | Qwest Corporation |
| 406-205- | Landline | Great Falls | Level 3 Communications |
| 406-531- | Wireless | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-741- | Landline | Hot Springs | Hot Springs Telephone Co. |
| 406-389- | Landline | Helena | Centurylink Communications LLC |
| 406-773- | Landline | Richey | Mid-rivers Telephone Cooperative |
| 406-649- | Landline | St Regis | Blackfoot Telephone Cooperative |
| 406-770- | Wireless | Great Falls | New Cingular Wireless PCS |
| 406-778- | Landline | Baker | Mid-rivers Telephone Cooperative |
| 406-562- | Landline | Fairfield | 3 Rivers Telephone Cooperative |
| 406-553- | Wireless | Divide | Mtpcs |
| 406-663- | Landline | Rapelje | Triangle Telephone Cooperative Assn. |
| 406-464- | Landline | Roy | Mid-rivers Telephone Cooperative |
| 406-489- | Wireless | Sidney | New Cingular Wireless PCS |
| 406-969- | Landline | Billings | Bresnan Broadband Of Montana |
| 406-763- | Landline | Gallatin Gateway | Qwest Corporation |
| 406-851- | Wireless | Miles City | Mtpcs |
| 406-653- | Landline | Wolf Point | Nemont Telephone Cooperative |
| 406-238- | Landline | Billings | Qwest Corporation |
| 406-256- | Landline | Billings | Qwest Corporation |
| 406-994- | Landline | Bozeman | Qwest Corporation |
| 406-446- | Landline | Red Lodge | Qwest Corporation |
| 406-275- | Landline | Ronan | Ronan Telephone Co. |
| 406-317- | Landline | Missoula | Bresnan Broadband Of Montana |
| 406-791- | Landline | Great Falls | Qwest Corporation |
| 406-630- | Landline | Sidney | Level 3 Communications |
| 406-598- | Wireless | Billings | Mtpcs |
| 406-350- | Wireless | Lewistown | New Cingular Wireless PCS |
| 406-544- | Wireless | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-935- | Wireless | Broadus | Cable & Communications Corporation |
| 406-355- | Landline | Rudyard | Triangle Telephone Cooperative Assn. |
| 406-623- | Landline | Hardin | Level 3 Communications |
| 406-386- | Landline | Big Sandy | Triangle Telephone Cooperative Assn. |
| 406-923- | Landline | Great Falls | Level 3 Communications |
| 406-794- | Landline | Billings | Zayo Group LLC |
| 406-694- | Landline | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-226- | Landline | Essex | Qwest Corporation |
| 406-241- | Wireless | Missoula | New Cingular Wireless PCS |
| 406-889- | Landline | Eureka | Interbel Telephone Cooperative |
| 406-215- | Landline | Missoula | Eltopia Communications |
| 406-561- | Wireless | Sunburst | Mtpcs |
| 406-277- | Landline | Belt | 3 Rivers Telephone Cooperative |
| 406-602- | Landline | Bozeman | Blackfoot Communications |
| 406-992- | Landline | Helena | Ymax Communications Corp. |
| 406-237- | Landline | Billings | Qwest Corporation |
| 406-356- | Landline | Forsyth | Qwest Corporation |
| 406-460- | Wireless | Shelby | New Cingular Wireless PCS |
| 406-872- | Landline | Polson | Western Montana Communitytel Inc. |
| 406-758- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-724- | Landline | Opheim | Nemont Telephone Cooperative |
| 406-305- | Wireless | White Sulphur Springs | New Cingular Wireless PCS |
| 406-664- | Landline | Belfry | Project Telephone Co. |
| 406-964- | Landline | Vaughn | Qwest Corporation |
| 406-757- | Landline | Decker | Range Telephone Cooperative |
| 406-495- | Landline | Helena | Qwest Corporation |
| 406-502- | Landline | Helena | Bresnan Broadband Of Montana |
| 406-645- | Wireless | Deer Lodge | Mtpcs |
| 406-599- | Wireless | Bozeman | Cellco Partnership DBA Verizon Wireless |
| 406-253- | Wireless | Kalispell | New Cingular Wireless PCS |
| 406-279- | Landline | Valier | 3 Rivers Telephone Cooperative |
| 406-937- | Landline | Sweet Grass | Northern Telephone Cooperative |
| 406-933- | Landline | Clancy | Qwest Corporation |
| 406-995- | Landline | Ennis | 3 Rivers Telephone Cooperative |
| 406-932- | Landline | Big Timber | Triangle Telephone Cooperative Assn. |
| 406-442- | Landline | Helena | Qwest Corporation |
| 406-999- | Landline | Gallatin Gateway | Montana Opticom |
| 406-334- | Wireless | Libby | New Cingular Wireless PCS |
| 406-828- | Landline | Alzada | Range Telephone Cooperative |
| 406-709- | Landline | Lakeside | Bresnan Broadband Of Montana |
| 406-596- | Wireless | Dillon | Mtpcs |
| 406-680- | Wireless | Malta | Sagebrush Cellular |
| 406-961- | Landline | Corvallis | Qwest Corporation |
| 406-420- | Landline | Bigfork | Bresnan Broadband Of Montana |
| 406-513- | Landline | Helena | Bresnan Broadband Of Montana |
| 406-206- | Landline | Billings | Level 3 Communications |
| 406-378- | Landline | Big Sandy | Triangle Telephone Cooperative Assn. |
| 406-276- | Landline | Lima | 3 Rivers Telephone Cooperative |
| 406-574- | Landline | Belfry | Qwest Corporation |
| 406-905- | Landline | Joliet | Zayo Group LLC |
| 406-284- | Landline | Manhattan | Qwest Corporation |
| 406-470- | Wireless | Shelby | Cellco Partnership DBA Verizon Wireless |
| 406-916- | Wireless | Bozeman | Nexus Communications |
| 406-893- | Landline | Peerless | Nemont Telephone Cooperative |
| 406-973- | Wireless | Sidney | Cable & Communications Corporation |
| 406-991- | Landline | Marion | Zayo Group LLC |
| 406-743- | Wireless | Laurel | New Cingular Wireless PCS |
| 406-252- | Landline | Billings | Qwest Corporation |
| 406-871- | Wireless | Kalispell | Cellco Partnership DBA Verizon Wireless |
| 406-852- | Wireless | Miles City | Cellco Partnership DBA Verizon Wireless |
| 406-769- | Landline | Bainville | Nemont Telephone Cooperative |
| 406-886- | Landline | Bigfork | Centurytel Of Montana DBA Centurylink |
| 406-445- | Landline | Roberts | Qwest Corporation |
| 406-207- | Wireless | Missoula | New Cingular Wireless PCS |
| 406-243- | Landline | Missoula | Qwest Corporation |
| 406-590- | Wireless | Great Falls | Mtpcs |
| 406-655- | Landline | Billings | Qwest Corporation |
| 406-526- | Landline | Fort Peck | Nemont Telephone Cooperative |
| 406-677- | Landline | Seeley Lake | Blackfoot Telephone Cooperative |
| 406-339- | Landline | Cut Bank | Northern Telephone Cooperative |
| 406-984- | Landline | Birney | Range Telephone Cooperative |
| 406-482- | Landline | Sidney | Qwest Corporation |
| 406-771- | Landline | Great Falls | Qwest Corporation |
| 406-629- | Wireless | Hardin | Cellco Partnership DBA Verizon Wireless |
| 406-576- | Wireless | Conrad | Mtpcs |
| 406-394- | Landline | Havre | Triangle Telephone Cooperative Assn. |
| 406-345- | Landline | Glendive | Mid-rivers Telephone Cooperative |
| 406-899- | Wireless | Great Falls | New Cingular Wireless PCS |
| 406-874- | Landline | Miles City | Mid-rivers Telephone Cooperative |
| 406-963- | Landline | Froid | Nemont Telephone Cooperative |
| 406-338- | Landline | Browning | 3 Rivers Telephone Cooperative |
| 406-547- | Landline | White Sulphur Springs | Central Montana Communications |
| 406-468- | Landline | Cascade | Qwest Corporation |
| 406-685- | Landline | Norris | 3 Rivers Telephone Cooperative |
| 406-833- | Wireless | Ronan | Mtpcs |
| 406-865- | Wireless | Dillon | Cellco Partnership DBA Verizon Wireless |
| 406-393- | Landline | Somers | Bresnan Broadband Of Montana |
| 406-222- | Landline | Livingston | Qwest Corporation |
| 406-433- | Landline | Sidney | Mid-rivers Telephone Cooperative |
| 406-425- | Wireless | Red Lodge | Cellco Partnership DBA Verizon Wireless |
| 406-854- | Landline | Marion | Centurytel Of Montana DBA Centurylink |
| 406-925- | Wireless | Dillon | Cellco Partnership DBA Verizon Wireless |
| 406-607- | Landline | Kalispell | Blackfoot Communications |
| 406-697- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-748- | Landline | Ashland | Qwest Corporation |
| 406-689- | Landline | Wisdom | Southern Montana Telephone Co. |
| 406-522- | Landline | Bozeman | Qwest Corporation |
| 406-853- | Wireless | Miles City | Cellco Partnership DBA Verizon Wireless |
| 406-327- | Landline | Missoula | Qwest Corporation |
| 406-797- | Landline | Anaconda | Qwest Corporation |
| 406-831- | Wireless | Glasgow | Mtpcs |
| 406-203- | Landline | Missoula | Level 3 Communications |
| 406-578- | Landline | Wilsall | Qwest Corporation |
| 406-287- | Landline | Whitehall | Qwest Corporation |
| 406-738- | Landline | Raynesford | 3 Rivers Telephone Cooperative |
| 406-737- | Landline | Geraldine | Central Montana Communications |
| 406-682- | Landline | Ennis | 3 Rivers Telephone Cooperative |
| 406-365- | Landline | Glendive | Qwest Corporation |
| 406-496- | Landline | Butte | Qwest Corporation |
| 406-403- | Landline | Great Falls | Zayo Group LLC |
| 406-582- | Landline | Bozeman | Qwest Corporation |
| 406-956- | Wireless | Baker | New Cingular Wireless PCS |
| 406-577- | Landline | Bozeman | Onvoy |
| 406-594- | Wireless | Helena | Mtpcs |
| 406-558- | Landline | Helena | Level 3 Communications |
| 406-347- | Landline | Rosebud | Range Telephone Cooperative |
| 406-342- | Landline | Hysham | Range Telephone Cooperative |
| 406-883- | Landline | Polson | Centurytel Of Montana DBA Centurylink |
| 406-746- | Landline | Nashua | Nemont Telephone Cooperative |
| 406-639- | Landline | Lodge Grass | Project Telephone Co. |
| 406-891- | Wireless | Baker | New Cingular Wireless PCS |
| 406-684- | Landline | Twin Bridges | 3 Rivers Telephone Cooperative |
| 406-646- | Landline | West Yellowstone | Qwest Corporation |
| 406-290- | Landline | Columbus | Zayo Group LLC |
| 406-323- | Landline | Roundup | Mid-rivers Telephone Cooperative |
| 406-532- | Landline | Missoula | Blackfoot Communications |
| 406-529- | Wireless | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-604- | Landline | Great Falls | Blackfoot Communications |
| 406-423- | Landline | Hobson | Central Montana Communications |
| 406-229- | Wireless | Livingston | New Cingular Wireless PCS |
| 406-631- | Landline | Elmo | Zayo Group LLC |
| 406-675- | Landline | Ronan | Ronan Telephone Co. |
| 406-784- | Landline | Ashland | Range Telephone Cooperative |
| 406-247- | Landline | Billings | Qwest Corporation |
| 406-297- | Landline | Eureka | Interbel Telephone Cooperative |
| 406-928- | Wireless | Grass Range | Cable & Communications Corporation |
| 406-454- | Landline | Great Falls | Qwest Corporation |
| 406-384- | Landline | Billings | One Eighty Communications |
| 406-227- | Landline | East Helena | Qwest Corporation |
| 406-379- | Landline | Turner | Triangle Telephone Cooperative Assn. |
| 406-777- | Landline | Stevensville | Qwest Corporation |
| 406-343- | Landline | Wyola | Project Telephone Co. |
| 406-666- | Landline | Saint Xavier | Project Telephone Co. |
| 406-318- | Landline | Ronan | Ymax Communications Corp. |
| 406-257- | Landline | Kalispell | Centurytel Of Montana DBA Centurylink |
| 406-488- | Landline | Sidney | Mid-rivers Telephone Cooperative |
| 406-676- | Landline | Ronan | Ronan Telephone Co. |
| 406-466- | Landline | Choteau | 3 Rivers Telephone Cooperative |
| 406-624- | Landline | Bozeman | Montana Opticom |
| 406-218- | Wireless | Missoula | Sprint Spectrum L.p.- Mt |
| 406-212- | Wireless | Kalispell | New Cingular Wireless PCS |
| 406-951- | Wireless | Miles City | New Cingular Wireless PCS |
| 406-821- | Landline | Darby | Qwest Corporation |
| 406-585- | Landline | Bozeman | Qwest Corporation |
| 406-754- | Landline | Condon | Blackfoot Telephone Cooperative |
| 406-776- | Landline | Savage | Mid-rivers Telephone Cooperative |
| 406-281- | Landline | Billings | AT&T Local |
| 406-387- | Landline | Columbia Falls | Centurytel Of Montana DBA Centurylink |
| 406-452- | Landline | Great Falls | Qwest Corporation |
| 406-447- | Landline | Helena | Qwest Corporation |
| 406-840- | Landline | Belfry | Zayo Group LLC |
| 406-358- | Landline | Musselshell | Mid-rivers Telephone Cooperative |
| 406-953- | Landline | Hardin | Level 3 Communications |
| 406-421- | Landline | Miles City | Range Telephone Cooperative |
| 406-377- | Landline | Glendive | Mid-rivers Telephone Cooperative |
| 406-487- | Landline | Scobey | Nemont Telephone Cooperative |
| 406-376- | Landline | Gildford | Triangle Telephone Cooperative Assn. |
| 406-954- | Wireless | Roy | Cable & Communications Corporation |
| 406-982- | Landline | Rollins | Centurytel Of Montana DBA Centurylink |
| 406-785- | Landline | Nashua | Nemont Telephone Cooperative |
| 406-453- | Landline | Great Falls | Qwest Corporation |
| 406-702- | Landline | Billings | Bresnan Broadband Of Montana |
| 406-881- | Landline | Whitefish | Centurytel Of Montana DBA Centurylink |
| 406-293- | Landline | Libby | Citizens Telecom Co Of Mt-frontier Comm Of Mt |
| 406-458- | Landline | Helena | Qwest Corporation |
| 406-690- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-668- | Landline | Fromberg | Qwest Corporation |
| 406-882- | Landline | Eureka | Interbel Telephone Cooperative |
| 406-654- | Landline | Malta | Central Montana Communications |
| 406-822- | Landline | Superior | Blackfoot Telephone Cooperative |
| 406-250- | Wireless | Kalispell | Cellco Partnership DBA Verizon Wireless |
| 406-396- | Wireless | Missoula | Cellco Partnership DBA Verizon Wireless |
| 406-383- | Landline | Dodson | Central Montana Communications |
| 406-672- | Wireless | Billings | Cellco Partnership DBA Verizon Wireless |
| 406-217- | Landline | Great Falls | AT&T Local |
| 406-988- | Landline | Dillon | Level 3 Communications |
| 406-245- | Landline | Billings | Qwest Corporation |
| 406-246- | Landline | Dixon | Blackfoot Telephone Cooperative |
| 406-321- | Wireless | Columbus | New Cingular Wireless PCS |
| 406-927- | Wireless | Billings | New Cingular Wireless PCS |
| 406-456- | Landline | Chester | Triangle Telephone Cooperative Assn. |
| 406-656- | Landline | Billings | Qwest Corporation |
| 406-220- | Wireless | Livingston | New Cingular Wireless PCS |
| 406-362- | Landline | Lincoln | Lincoln Telephone Company |
| 406-289- | Wireless | Conrad | New Cingular Wireless PCS |
| 406-727- | Landline | Great Falls | Qwest Corporation |
| 406-326- | Landline | Reed Point | Triangle Telephone Cooperative Assn. |
| 406-294- | Landline | Billings | One Eighty Communications |
| 406-431- | Wireless | Helena | Cellco Partnership DBA Verizon Wireless |
| 406-296- | Landline | Eureka | Citizens Telecom Co Of Mt-frontier Comm Of Mt |
| 406-692- | Landline | Rollins | Zayo Group LLC |
| 406-823- | Landline | Livingston | Qwest Corporation |
| 406-895- | Landline | Outlook | Nemont Telephone Cooperative |
| 406-796- | Landline | Wibaux | Mid-rivers Telephone Cooperative |
| 406-484- | Landline | Belfry | Tct West |
| 406-295- | Landline | Troy | Citizens Telecom Co Of Mt-frontier Comm Of Mt |
| 406-786- | Landline | Brockton | Nemont Telephone Cooperative |
| 406-563- | Landline | Anaconda | Qwest Corporation |
| 406-603- | Landline | Helena | Blackfoot Communications |
| 406-650- | Landline | Wolf Point | Sagebrush Cellular |
| 406-813- | Landline | Belgrade | Mcimetro Access Transmission Services LLC |
| 406-945- | Wireless | Havre | New Cingular Wireless PCS |
| 406-707- | Wireless | Lewistown | Mtpcs |
| 406-638- | Landline | Crow Agency | Project Telephone Co. |
| 406-772- | Landline | Plevna | Mid-rivers Telephone Cooperative |
| 406-870- | Wireless | Great Falls | Sprint Spectrum L.p.- Mt |
| 406-642- | Landline | Victor | Qwest Corporation |
| 406-557- | Landline | Jordan | Mid-rivers Telephone Cooperative |
| 406-575- | Landline | Lavina | Mid-rivers Telephone Cooperative |
| 406-543- | Landline | Missoula | Qwest Corporation |
| 406-764- | Landline | Belfry | Tct West |
| 406-648- | Landline | Hinsdale | Nemont Telephone Cooperative |
| 406-795- | Landline | Wibaux | Qwest Corporation |
| 406-824- | Wireless | Saint Ignatius | Mtpcs |
| 406-497- | Landline | Butte | Qwest Corporation |
| 406-633- | Landline | Park City | Qwest Corporation |
| 406-381- | Wireless | Hamilton | Cellco Partnership DBA Verizon Wireless |
| 406-802- | Landline | Hamilton | Bearcreek Networks |
| 406-268- | Landline | Great Falls | Qwest Corporation |
| 406-280- | Wireless | St Regis | New Cingular Wireless PCS |
| 406-774- | Landline | Lambert | Mid-rivers Telephone Cooperative |
| 406-841- | Landline | Helena | Qwest Corporation |
| 406-634- | Landline | Helena | AT&T Local |
| 406-441- | Landline | Helena | Qwest Corporation |
| 406-444- | Landline | Helena | Qwest Corporation |
| 406-551- | Landline | Bozeman | Level 3 Communications |
| 406-768- | Landline | Poplar | Nemont Telephone Cooperative |
| 406-637- | Landline | Fallon | Qwest Corporation |
| 406-635- | Landline | Fallon | Mid-rivers Telephone Cooperative |
| 406-636- | Landline | Lavina | Mid-rivers Telephone Cooperative |
| 406-469- | Landline | Pendroy | 3 Rivers Telephone Cooperative |
| 406-391- | Wireless | Cut Bank | Mtpcs |
| 406-660- | Wireless | Dillon | New Cingular Wireless PCS |
| 406-688- | Wireless | Scobey | Sagebrush Cellular |
| 406-914- | Wireless | Lambert | Cable & Communications Corporation |
| 406-485- | Landline | Circle | Mid-rivers Telephone Cooperative |
| 406-374- | Landline | Moore | Central Montana Communications |
| 406-556- | Landline | Bozeman | Qwest Corporation |
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