Area code 406 covers part of Montanastate, covering most of Lewis And Clark, Toole, Richland, Silver Bow, Carbon counties. It was started on Jan 01, 2000. This region follows US/Mountain + Daylight Savings timezone. Other popular area codes that belong to Montana state include .
Date Changed | Change Details |
Feb 23, 2014 | Area code 406-424 subscribers are operational from Feb 23, 2014. |
Feb 23, 2014 | Area code 406-440 subscribers are operational from Feb 23, 2014. |
Feb 06, 2014 | Area code 406-438 subscribers are operational from Feb 06, 2014. |
Feb 02, 2014 | Area code 406-464 subscribers are operational from Feb 02, 2014. |
Area Code | City | County | Population | Network Operator |
406-403-9 | Helena | Cascade | 81,327 | Cellco Partnership dba Verizon Wireless - MT |
406-403-0 | Helena | Cascade | 81,327 | Zayo Group LLC - MT |
406-404-4 | Billings | Gallatin | 89,513 | Cellco Partnership dba Verizon Wireless - MT |
406-404-3 | Billings | Gallatin | 89,513 | Zayo Group LLC - MT |
406-404-0 | Bozeman | Gallatin | 89,513 | Bresnan Broadband of Montana LLC - MT |
406-407-0 | Helena | Flathead | 90,928 | Cellco Partnership dba Verizon Wireless - MT |
406-407-9 | Helena | Flathead | 90,928 | Zayo Group LLC - MT |
406-407-8 | Missoula | Flathead | 90,928 | New Cingular Wireless PCS LLC |
406-410-0 | Helena | Lewis And Clark | 63,395 | Sprint Spectrum LP - MT |
406-411 | 281,413 | 411 Local Directory Assistance | ||
406-414-7 | Billings | Gallatin | 89,513 | Bandwidth.com CLEC LLC - MT |
406-414-0 | Bozeman | Gallatin | 89,513 | Qwest Corporation |
406-415-0 | Helena | Powell | 7,027 | Bresnan Broadband of Montana LLC - MT |
406-415-7 | Helena | Powell | 7,027 | Zayo Group LLC - MT |
406-415-0 | Missoula | Powell | 7,027 | Eltopia Communications LLC - MT |
406-415-2 | Missoula | Powell | 7,027 | Level 3 Communications LLC - MT |
406-417-0 | Missoula | Lewis And Clark | 63,395 | New Cingular Wireless PCS LLC |
406-420-8 | Helena | Flathead | 90,928 | Zayo Group LLC - MT |
406-420-0 | Missoula | Flathead | 90,928 | Bresnan Broadband of Montana LLC - MT |
406-420-0 | Missoula | Flathead | 90,928 | Eltopia Communications LLC - MT |
406-421 | Miles City | Custer | 11,699 | Range Telephone Cooperative Inc |
406-422-0 | Helena | Lewis And Clark | 63,395 | Bresnan Broadband of Montana LLC - MT |
406-422-9 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-423 | Fort Benton | Judith Basin | 2,072 | Central Montana Communications Inc |
406-424-0 | Shelby | Toole | 5,324 | 3 Rivers Telephone Cooperative Inc - MT |
406-425-0 | Billings | Carbon | 10,078 | Cellco Partnership dba Verizon Wireless - MT |
406-426-2 | Billings | Carbon | 10,078 | Bandwidth.com CLEC LLC - MT |
406-426-0 | Billings | Carbon | 10,078 | Cellco Partnership dba Verizon Wireless - MT |
406-426-6 | Billings | Carbon | 10,078 | Eltopia Communications LLC - MT |
406-426-8 | Billings | Carbon | 10,078 | New Cingular Wireless PCS LLC |
406-426-5 | Billings | Carbon | 10,078 | Zayo Group LLC - MT |
406-427 | Broadus | Powder River | 1,743 | Range Telephone Cooperative Inc |
406-428-0 | Grass Range | Fergus | 11,586 | Mid-Rivers Telephone Cooperative Inc |
406-429 | Winnett | Petroleum | 494 | Mid-Rivers Telephone Cooperative Inc |
406-430-0 | Helena | Lewis And Clark | 63,395 | Zayo Group LLC - MT |
406-431 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-432 | Sunburst | Toole | 5,324 | Northern Telephone Cooperative Inc |
406-433 | Sidney | Richland | 9,746 | Mid-Rivers Telephone Cooperative Inc |
406-434-4 | Helena | Toole | 5,324 | AT&T Local |
406-434-8 | Helena | Toole | 5,324 | Zayo Group LLC - MT |
406-434-1 | Missoula | Toole | 5,324 | Eltopia Communications LLC - MT |
406-434-6 | Missoula | Toole | 5,324 | Level 3 Communications LLC - MT |
406-434-0 | Shelby | Toole | 5,324 | Qwest Corporation |
406-435-0 | Billings | Yellowstone | 147,972 | One Eighty Communications Inc - MT |
406-436 | Broadus | Powder River | 1,743 | Range Telephone Cooperative Inc |
406-437-8 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-437-0 | Helena | Lewis And Clark | 63,395 | MCImetro Access Transmission Services LLC |
406-437-7 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-438-0 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-439 | Missoula | Lewis And Clark | 63,395 | New Cingular Wireless PCS LLC |
406-440-0 | Helena | Lewis And Clark | 63,395 | 3 Rivers Telephone Cooperative Inc - MT |
406-441 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-442 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-443 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-444 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-445-3 | Billings | Carbon | 10,078 | Bresnan Broadband of Montana LLC - MT |
406-445-1 | Billings | Carbon | 10,078 | Level 3 Communications LLC - MT |
406-445-4 | Billings | Carbon | 10,078 | Tri Tel Inc - MT |
406-445-7 | Billings | Carbon | 10,078 | Zayo Group LLC - MT |
406-445-0 | Roberts | Carbon | 10,078 | Qwest Corporation |
406-446-7 | Billings | Carbon | 10,078 | Zayo Group LLC - MT |
406-446-0 | Red Lodge | Carbon | 10,078 | Qwest Corporation |
406-447-0 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-448-7 | Glasgow | Roosevelt | 10,425 | Sagebrush Cellular Inc |
406-448-0 | North Poplar | Roosevelt | 10,425 | Nemont Telephone Cooperative Inc |
406-449 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-450-0 | Helena | Toole | 5,324 | Cellco Partnership dba Verizon Wireless - MT |
406-451-6 | Billings | Gallatin | 89,513 | Cellco Partnership dba Verizon Wireless - MT |
406-451-0 | Billings | Gallatin | 89,513 | Sprint Spectrum LP - MT |
406-451-7 | Billings | Gallatin | 89,513 | Zayo Group LLC - MT |
406-452 | Great Falls | Cascade | 81,327 | Qwest Corporation |
406-453 | Great Falls | Cascade | 81,327 | Qwest Corporation |
406-454 | Great Falls | Cascade | 81,327 | Qwest Corporation |
406-455 | Great Falls | Cascade | 81,327 | Qwest Corporation |
406-456 | Chester | Liberty | 2,339 | Triangle Telephone Cooperative Association Inc |
406-457-0 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-458-0 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-459 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-460-0 | Missoula | Toole | 5,324 | New Cingular Wireless PCS LLC |
406-461 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-462 | Winifred | Fergus | 11,586 | Triangle Telephone Cooperative Association Inc |
406-463 | Power | Teton | 6,073 | 3 Rivers Telephone Cooperative Inc |
406-464-0 | Roy | Fergus | 11,586 | Mid-Rivers Telephone Cooperative Inc |
406-465 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-466 | Choteau | Teton | 6,073 | 3 Rivers Telephone Cooperative Inc |
406-467 | Fairfield | Teton | 6,073 | 3 Rivers Telephone Cooperative Inc |
406-468-0 | Cascade | Cascade | 81,327 | Qwest Corporation |
406-468-8 | Helena | Cascade | 81,327 | Cellco Partnership dba Verizon Wireless - MT |
406-468-7 | Helena | Cascade | 81,327 | Zayo Group LLC - MT |
406-468-6 | Missoula | Cascade | 81,327 | Eltopia Communications LLC - MT |
406-469 | Pendroy | Teton | 6,073 | 3 Rivers Telephone Cooperative Inc |
406-470-0 | Helena | Toole | 5,324 | Cellco Partnership dba Verizon Wireless - MT |
406-470-7 | Helena | Toole | 5,324 | Zayo Group LLC - MT |
406-471 | Helena | Flathead | 90,928 | Cellco Partnership dba Verizon Wireless - MT |
406-472 | Dupuyer | Pondera | 6,153 | 3 Rivers Telephone Cooperative Inc |
406-473 | Judith Gap | Wheatland | 2,168 | Central Montana Communications Inc |
406-474 | Flaxville | Daniels | 1,751 | Nemont Telephone Cooperative Inc |
406-475-0 | Canyon Ferry | Lewis And Clark | 63,395 | Qwest Corporation |
406-475-7 | Helena | Lewis And Clark | 63,395 | Cellco Partnership dba Verizon Wireless - MT |
406-476-0 | Dutton | Teton | 6,073 | Qwest Corporation |
406-476-7 | Helena | Teton | 6,073 | Zayo Group LLC - MT |
406-477 | Lame Deer | Rosebud | 9,233 | Range Telephone Cooperative Inc |
406-478-6 | Billings | Richland | 9,746 | Bandwidth.com CLEC LLC - MT |
406-478-9 | Billings | Richland | 9,746 | New Cingular Wireless PCS LLC |
406-479-0 | Helena | Silver Bow | 34,200 | Cellco Partnership dba Verizon Wireless - MT |
406-480-6 | Billings | Richland | 9,746 | Bandwidth.com CLEC LLC - MT |
406-482-0 | Sidney | Richland | 9,746 | Qwest Corporation |
406-483 | Dagmar | Sheridan | 3,384 | Nemont Telephone Cooperative Inc |
406-484-0 | Basin | Carbon | 10,078 | TCT West Inc |
406-485-0 | Circle | Mccone | 1,734 | Mid-Rivers Telephone Cooperative Inc |
406-486 | Fallon | Prairie | 1,179 | Mid-Rivers Telephone Cooperative Inc |
406-487 | Scobey | Daniels | 1,751 | Nemont Telephone Cooperative Inc |
406-488 | Sidney | Richland | 9,746 | Mid-Rivers Telephone Cooperative Inc |
406-489-0 | Billings | Richland | 9,746 | New Cingular Wireless PCS LLC |
406-490 | Helena | Silver Bow | 34,200 | Cellco Partnership dba Verizon Wireless - MT |
406-491-0 | Missoula | Silver Bow | 34,200 | New Cingular Wireless PCS LLC |
406-492 | Avon | Powell | 7,027 | Blackfoot Telephone Cooperative Inc |
406-493-9 | Helena | Missoula | 109,299 | Cellco Partnership dba Verizon Wireless - MT |
406-494 | Butte | Silver Bow | 34,200 | Qwest Corporation |
406-495-0 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-496-0 | Butte | Silver Bow | 34,200 | Qwest Corporation |
406-497-0 | Butte | Silver Bow | 34,200 | Qwest Corporation |
406-498 | Helena | Silver Bow | 34,200 | Cellco Partnership dba Verizon Wireless - MT |
406-499-2 | Helena | Missoula | 109,299 | Cellco Partnership dba Verizon Wireless - MT |
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