Area code 406 covers part of Montanastate, covering most of Ravalli, Yellowstone, Flathead, Hill, Fergus 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 |
May 08, 2014 | Area code 406-361 will be de-activated on May 08, 2014 for all subscribers. |
May 05, 2014 | Area code 406-333 was introduced on Oct 03, 2012 and subscribers are operational from May 05, 2014. |
Apr 30, 2014 | Area code 406-315 was introduced on Apr 18, 2014 and subscribers are operational from Apr 30, 2014. |
Apr 30, 2014 | Area code 406-371 was introduced on Apr 18, 2014 and subscribers are operational from Apr 30, 2014. |
Feb 10, 2014 | Area code 406-389 was introduced on Sep 18, 2013 and subscribers are operational from Feb 10, 2014. |
Jan 23, 2014 | Area code 406-332 subscribers are operational from Jan 23, 2014. |
Area Code | City | County | Population | Network Operator |
406-300-0 | Flathead | 90,928 | Bresnan Broadband of Montana LLC - MT | |
406-301-0 | Helena | Phillips | 4,253 | Cellco Partnership dba Verizon Wireless - MT |
406-302-0 | Helena | Lewis And Clark | 63,395 | Zayo Group LLC - MT |
406-303-0 | Missoula | Missoula | 109,299 | Teleport Communications America LLC - MT |
406-305-0 | Billings | Meagher | 1,891 | New Cingular Wireless PCS LLC |
406-309-0 | Flathead | 90,928 | Bresnan Broadband of Montana LLC - MT | |
406-309-5 | Helena | Flathead | 90,928 | Cellco Partnership dba Verizon Wireless - MT |
406-310-0 | Helena | Silver Bow | 34,200 | Sprint Spectrum LP - MT |
406-311 | 281,313 | Non Emergency Police And Other Governmental Services | ||
406-312 | Bozeman | Gallatin | 89,513 | Smart Call LLC |
406-313-0 | Helena | Jefferson | 11,406 | Zayo Group LLC - MT |
406-314-8 | Helena | Flathead | 90,928 | Cellco Partnership dba Verizon Wireless - MT |
406-314-4 | Missoula | Flathead | 90,928 | Bresnan Broadband of Montana LLC - MT |
406-314-0 | Missoula | Flathead | 90,928 | New Cingular Wireless PCS LLC |
406-315-0 | Great Falls | Cascade | 81,327 | Bresnan Broadband of Montana LLC - MT |
406-315-7 | Helena | Cascade | 81,327 | Zayo Group LLC - MT |
406-317-3 | Helena | Missoula | 109,299 | Cellco Partnership dba Verizon Wireless - MT |
406-317-0 | Missoula | Missoula | 109,299 | Bresnan Broadband of Montana LLC - MT |
406-318-0 | Billings | Yellowstone | 147,972 | YMax Communications Corporation - MT |
406-319-6 | Helena | Lake | 28,746 | Zayo Group LLC - MT |
406-319-0 | Missoula | Lake | 28,746 | Bresnan Broadband of Montana LLC - MT |
406-319-0 | Missoula | Lake | 28,746 | Eltopia Communications LLC - MT |
406-320-0 | Billings | Musselshell | 4,538 | Cellco Partnership dba Verizon Wireless - MT |
406-321-0 | Billings | Stillwater | 9,117 | New Cingular Wireless PCS LLC |
406-322-3 | Billings | Stillwater | 9,117 | Level 3 Communications LLC - MT |
406-322-0 | Columbus | Stillwater | 9,117 | Qwest Corporation |
406-323 | Roundup | Musselshell | 4,538 | Mid-Rivers Telephone Cooperative Inc |
406-324-0 | Helena | Lewis And Clark | 63,395 | Qwest Corporation |
406-324-7 | Helena | Lewis And Clark | 63,395 | Zayo Group LLC - MT |
406-325-0 | Billings | Yellowstone | 147,972 | One Eighty Communications Inc - MT |
406-326 | Reed Point | Stillwater | 9,117 | Triangle Telephone Cooperative Association Inc |
406-327 | Missoula | Missoula | 109,299 | Qwest Corporation |
406-328 | Absarokee | Stillwater | 9,117 | Project Telephone Company Inc |
406-329 | Missoula | Missoula | 109,299 | Qwest Corporation |
406-330-0 | Missoula | Missoula | 109,299 | Bresnan Broadband of Montana LLC - MT |
406-331-0 | Billings | Musselshell | 4,538 | Cellco Partnership dba Verizon Wireless - MT |
406-332-0 | Missoula | Lake | 28,746 | Blackfoot Telephone Cooperative Inc |
406-333-1 | Billings | Park | 15,636 | Bandwidth.com CLEC LLC - MT |
406-333-3 | Billings | Park | 15,636 | Bresnan Broadband of Montana LLC - MT |
406-333-0 | Billings | Park | 15,636 | Level 3 Communications LLC - MT |
406-333-7 | Billings | Park | 15,636 | Zayo Group LLC - MT |
406-333-0 | Pray | Park | 15,636 | Qwest Corporation |
406-334-0 | Coeur D'alene | Lincoln | 19,687 | New Cingular Wireless PCS LLC |
406-334-5 | Coeur D'alene | Lincoln | 19,687 | YMax Communications Corporation - MT |
406-334-7 | Libby | Lincoln | 19,687 | Cellco Partnership dba Verizon Wireless - MT |
406-335 | Sunburst | Toole | 5,324 | Northern Telephone Cooperative Inc |
406-336 | Sunburst | Glacier | 13,399 | Northern Telephone Cooperative Inc |
406-337 | Sunburst | Toole | 5,324 | Northern Telephone Cooperative Inc |
406-338 | Browning | Glacier | 13,399 | 3 Rivers Telephone Cooperative Inc |
406-339 | Sunburst | Toole | 5,324 | Northern Telephone Cooperative Inc |
406-340-0 | Missoula | Beaverhead | 9,246 | MTPCS LLC |
406-342 | Hysham | Treasure | 718 | Range Telephone Cooperative Inc |
406-343 | Wyola | Big Horn | 12,865 | Project Telephone Company Inc |
406-345 | Glendive | Dawson | 8,966 | Mid-Rivers Telephone Cooperative Inc |
406-346 | Forsyth | Rosebud | 9,233 | Range Telephone Cooperative Inc - MT |
406-347 | Rosebud | Rosebud | 9,233 | Range Telephone Cooperative Inc |
406-348 | Huntley | Yellowstone | 147,972 | Project Telephone Company Inc |
406-349 | Alta | Ravalli | 40,212 | Blackfoot Telephone Cooperative Inc |
406-350-7 | Helena | Fergus | 11,586 | Zayo Group LLC - MT |
406-350-0 | Missoula | Fergus | 11,586 | New Cingular Wireless PCS LLC |
406-351-0 | Billings | Rosebud | 9,233 | Bandwidth.com CLEC LLC - MT |
406-351-0 | Billings | Rosebud | 9,233 | Cellco Partnership dba Verizon Wireless - MT |
406-351-6 | Billings | Rosebud | 9,233 | Eltopia Communications LLC - MT |
406-351-7 | Billings | Rosebud | 9,233 | Zayo Group LLC - MT |
406-352 | Box Elder | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-353-0 | Harlem | Blaine | 6,491 | Central Montana Communications Inc |
406-353-7 | Malta | Blaine | 6,491 | Sagebrush Cellular Inc |
406-354 | Rock Springs | Rosebud | 9,233 | Mid-Rivers Telephone Cooperative Inc |
406-355 | Rudyard | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-356-6 | Billings | Rosebud | 9,233 | Bandwidth.com CLEC LLC - MT |
406-356-5 | Billings | Rosebud | 9,233 | Level 3 Communications LLC - MT |
406-356-8 | Billings | Rosebud | 9,233 | Zayo Group LLC - MT |
406-356-0 | Forsyth | Rosebud | 9,233 | Qwest Corporation |
406-357-0 | Chinook | Blaine | 6,491 | Triangle Telephone Cooperative Association Inc |
406-357-8 | Malta | Blaine | 6,491 | Sagebrush Cellular Inc |
406-358 | Melstone | Musselshell | 4,538 | Mid-Rivers Telephone Cooperative Inc |
406-359-5 | Billings | Dawson | 8,966 | AT&T Local |
406-359-1 | Billings | Dawson | 8,966 | Bandwidth.com CLEC LLC - MT |
406-359-6 | Billings | Dawson | 8,966 | Zayo Group LLC - MT |
406-359-0 | Glendive | Dawson | 8,966 | Qwest Corporation |
406-360 | Helena | Ravalli | 40,212 | Cellco Partnership dba Verizon Wireless - MT |
406-361-0 | Helena | Ravalli | 40,212 | Cellco Partnership dba Verizon Wireless - MT |
406-361-6 | Helena | Ravalli | 40,212 | MCImetro Access Transmission Services LLC |
406-361-7 | Helena | Ravalli | 40,212 | Zayo Group LLC - MT |
406-361-8 | Missoula | Ravalli | 40,212 | Bresnan Broadband of Montana LLC - MT |
406-362 | Lincoln | Lewis And Clark | 63,395 | Lincoln Telephone Company Inc |
406-363 | Hamilton | Ravalli | 40,212 | Qwest Corporation |
406-363 | Missoula | Ravalli | 40,212 | New Cingular Wireless PCS LLC |
406-364 | Hinsdale | Valley | 7,369 | Nemont Telephone Cooperative Inc |
406-365-0 | Billings | Dawson | 8,966 | Eltopia Communications LLC - MT |
406-365-1 | Billings | Dawson | 8,966 | Level 3 Communications LLC - MT |
406-365-0 | Glendive | Dawson | 8,966 | Qwest Corporation |
406-366-0 | Helena | Fergus | 11,586 | Cellco Partnership dba Verizon Wireless - MT |
406-367 | North Glasgow | Valley | 7,369 | Nemont Telephone Cooperative Inc |
406-368 | Canyon Creek | Lewis And Clark | 63,395 | Lincoln Telephone Company Inc |
406-369-5 | Helena | Ravalli | 40,212 | Cellco Partnership dba Verizon Wireless - MT |
406-369-6 | Helena | Ravalli | 40,212 | Zayo Group LLC - MT |
406-369-7 | Missoula | Ravalli | 40,212 | Eltopia Communications LLC - MT |
406-369-0 | Missoula | Ravalli | 40,212 | New Cingular Wireless PCS LLC |
406-370 | Helena | Missoula | 109,299 | Cellco Partnership dba Verizon Wireless - MT |
406-371-7 | Billings | Yellowstone | 147,972 | Bresnan Broadband of Montana LLC - MT |
406-371-8 | Billings | Yellowstone | 147,972 | Qwest Corporation |
406-372 | Kremlin | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-373-8 | Billings | Yellowstone | 147,972 | Qwest Corporation |
406-374 | Fort Benton | Fergus | 11,586 | Central Montana Communications Inc |
406-375-0 | Hamilton | Ravalli | 40,212 | Qwest Corporation |
406-375-5 | Missoula | Ravalli | 40,212 | Bresnan Broadband of Montana LLC - MT |
406-376 | Gildford | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-377 | Glendive | Dawson | 8,966 | Mid-Rivers Telephone Cooperative Inc |
406-378 | Big Sandy | Chouteau | 5,813 | Triangle Telephone Cooperative Association Inc |
406-379 | Turner | Blaine | 6,491 | Triangle Telephone Cooperative Association Inc |
406-380-0 | Helena | Fergus | 11,586 | Cellco Partnership dba Verizon Wireless - MT |
406-381 | Helena | Ravalli | 40,212 | Cellco Partnership dba Verizon Wireless - MT |
406-382-2 | Charlo | Mineral | 4,223 | Western Montana CommunityTel Inc - MT |
406-383 | Dodson | Phillips | 4,253 | Central Montana Communications Inc |
406-384-0 | Billings | Yellowstone | 147,972 | One Eighty Communications Inc - MT |
406-385-7 | Glasgow | Sheridan | 3,384 | Sagebrush Cellular Inc |
406-386 | Hopp Illiad | Chouteau | 5,813 | Triangle Telephone Cooperative Association Inc |
406-387-0 | Hungry Horse | Flathead | 90,928 | CenturyTel of Montana Inc dba CenturyLink |
406-388 | Belgrade | Gallatin | 89,513 | Qwest Corporation |
406-389-0 | Helena | Lewis And Clark | 63,395 | Qwest Communications Company LLC |
406-390-0 | Helena | Hill | 16,096 | Cellco Partnership dba Verizon Wireless - MT |
406-391-0 | Missoula | Glacier | 13,399 | MTPCS LLC |
406-392-7 | Glasgow | Roosevelt | 10,425 | Sagebrush Cellular Inc |
406-393-8 | Helena | Flathead | 90,928 | Zayo Group LLC - MT |
406-394 | Simpson Havre | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-395-0 | Havre | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-396 | Helena | Missoula | 109,299 | Cellco Partnership dba Verizon Wireless - MT |
406-397 | Hingham | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-398 | Havre | Hill | 16,096 | Triangle Telephone Cooperative Association Inc |
406-399-0 | Helena | Hill | 16,096 | Cellco Partnership dba Verizon Wireless - MT |
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