406 Area Code is located in Montana State, Major Cities including Billings, Missoula, Great Falls, The Time Zone is ( GMT -07:00 ),The Phone Number Prefix is 406.
| State | Montana |
| Central Cities | Billings, Missoula, Great Falls |
| Central Counties | Yellowstone County, Missoula County, Flathead County |
| Timezone(s) | Mountain (GMT -07:00) |
| Population | 1,084,225 |
Showing the top 50 Cities by Population.
| City | # Prefixes | % Prefixes | Population | % of Population |
|---|---|---|---|---|
| Billings, MT | 69 | 8.4% | 117,116 | 10.8% |
| Missoula, MT | 41 | 5.0% | 73,489 | 6.8% |
| Great Falls, MT | 38 | 4.6% | 60,442 | 5.6% |
| Bozeman, MT | 32 | 3.9% | 53,293 | 4.9% |
| Helena, MT | 37 | 4.5% | 32,091 | 3.0% |
| Kalispell, MT | 25 | 3.0% | 24,558 | 2.3% |
| Belgrade, MT | 7 | 0.8% | 10,460 | 1.0% |
| Anaconda, MT | 6 | 0.7% | 9,421 | 0.9% |
| Havre, MT | 12 | 1.5% | 9,362 | 0.9% |
| Miles City, MT | 12 | 1.5% | 8,354 | 0.8% |
| Livingston, MT | 8 | 1.0% | 8,040 | 0.7% |
| Whitefish, MT | 10 | 1.2% | 7,751 | 0.7% |
| Laurel, MT | 5 | 0.6% | 7,222 | 0.7% |
| Sidney, MT | 12 | 1.5% | 6,346 | 0.6% |
| Lewistown, MT | 8 | 1.0% | 5,952 | 0.5% |
| Columbia Falls, MT | 6 | 0.7% | 5,308 | 0.5% |
| Polson, MT | 10 | 1.2% | 5,148 | 0.5% |
| Bigfork, MT | 6 | 0.7% | 5,118 | 0.5% |
| Glendive, MT | 10 | 1.2% | 4,873 | 0.4% |
| Hamilton, MT | 7 | 0.8% | 4,659 | 0.4% |
| Lolo, MT | 1 | 0.1% | 4,399 | 0.4% |
| Dillon, MT | 7 | 0.8% | 3,880 | 0.4% |
| Hardin, MT | 6 | 0.7% | 3,818 | 0.4% |
| Glasgow, MT | 8 | 1.0% | 3,202 | 0.3% |
| Shelby, MT | 7 | 0.8% | 3,169 | 0.3% |
| Cut Bank, MT | 5 | 0.6% | 3,056 | 0.3% |
| Deer Lodge, MT | 4 | 0.5% | 2,938 | 0.3% |
| Libby, MT | 5 | 0.6% | 2,775 | 0.3% |
| Lakeside, MT | 3 | 0.4% | 2,705 | 0.2% |
| Wolf Point, MT | 5 | 0.6% | 2,517 | 0.2% |
| Conrad, MT | 5 | 0.6% | 2,318 | 0.2% |
| Red Lodge, MT | 5 | 0.6% | 2,257 | 0.2% |
| Manhattan, MT | 4 | 0.5% | 2,086 | 0.2% |
| Stevensville, MT | 2 | 0.2% | 2,002 | 0.2% |
| Three Forks, MT | 4 | 0.5% | 1,989 | 0.2% |
| Frenchtown, MT | 2 | 0.2% | 1,958 | 0.2% |
| Ronan, MT | 9 | 1.1% | 1,955 | 0.2% |
| East Helena, MT | 2 | 0.2% | 1,944 | 0.2% |
| Malta, MT | 4 | 0.5% | 1,860 | 0.2% |
| Columbus, MT | 6 | 0.7% | 1,857 | 0.2% |
| Clancy, MT | 1 | 0.1% | 1,851 | 0.2% |
| Baker, MT | 4 | 0.5% | 1,802 | 0.2% |
| Townsend, MT | 4 | 0.5% | 1,787 | 0.2% |
| Roundup, MT | 4 | 0.5% | 1,742 | 0.2% |
| Choteau, MT | 1 | 0.1% | 1,721 | 0.2% |
| Bonner, MT | 1 | 0.1% | 1,690 | 0.2% |
| Seeley Lake, MT | 3 | 0.4% | 1,682 | 0.2% |
| Plentywood, MT | 1 | 0.1% | 1,669 | 0.2% |
| Crow Agency, MT | 1 | 0.1% | 1,657 | 0.2% |
| Big Timber, MT | 3 | 0.4% | 1,650 | 0.2% |
| Name | Type | Phone number | Full_address | Zip Code | State | Rating |
|---|---|---|---|---|---|---|
| Stockman Bank | Bank | +1 406-540-4600 | 3301 Great Northern Ave, Missoula, MT 59808 | 59808 | Montana | 4.3 |
| First Montana Bank | Bank | +1 406-829-2666 | 201 N Higgins Ave, Missoula, MT 59802 | 59802 | Montana | 3 |
| Stockman Bank | Bank | +1 406-258-1370 | 3615 Brooks St, Missoula, MT 59801 | 59801 | Montana | 5 |
| Stockman Bank | Bank | +1 406-258-1400 | 321 W Broadway St, Missoula, MT 59802 | 59802 | Montana | 2.9 |
| Name | Type | Phone number | Full_address | Zip Code | State | Rating |
|---|---|---|---|---|---|---|
| Walmart Supercenter | Department store | +1 406-254-2842 | 1649 Main St, Billings, MT 59105 | 59105 | Montana | 3.7 |
| Walmart Supercenter | Department store | +1 406-652-9692 | 2525 King Ave W, Billings, MT 59102 | 59102 | Montana | 3.6 |
| Name | Type | Phone number | Full_address | Zip Code | State | Rating |
|---|---|---|---|---|---|---|
| Billings Clinic Heart and Vascular - Missoula | Medical office | +1 406-327-4646 | 2827 Fort Missoula Rd building 5, Missoula, MT 59804 | 59804 | Montana | 3.8 |
| Name | Type | Phone number | Full_address | Zip Code | State | Rating |
|---|---|---|---|---|---|---|
| Montana RailLink Park | Park | 2110 S Johnson St, Missoula, MT 59801 | 59801 | Montana | 4.4 | |
| Greenough Park | Park | 1001 Monroe St, Missoula, MT 59802 | 59802 | Montana | 4.7 | |
| Gibson Park | Park | +1 406-771-1265 | River, s Edge Trail, Great Falls, MT 59401 | 59401 | MT | 4.6 |
| Splash Montana | Water park | +1 406-721-7275 | 3001 Bancroft St, Missoula, MT 59801 | 59801 | Montana | 4.5 |
| Name | Type | Phone number | Full_address | City | Zip Code | State |
|---|---|---|---|---|---|---|
| Missoula Police Department | Police department | +1 406-552-6300 | 435 Ryman St, Missoula, MT 59802 | Missoula | 59802 | Montana |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-200 | Billings | 4/17/2012 |
| 406-201 | Forsyth | 1/21/2003 |
| 406-202 | Helena | 4/18/2001 |
| 406-203 | Missoula | N/A |
| 406-204 | Helena | N/A |
| 406-205 | Great Falls | N/A |
| 406-206 | Billings | N/A |
| 406-207 | Missoula | 4/18/2001 |
| 406-208 | Billings | 4/18/2001 |
| 406-209 | Bozeman | 4/18/2001 |
| 406-210 | Seeley Lake | N/A |
| 406-212 | Kalispell | 4/18/2001 |
| 406-213 | Colstrip | 5/6/2003 |
| 406-214 | Missoula | N/A |
| 406-215 | Missoula | N/A |
| 406-216 | Great Falls | N/A |
| 406-217 | Great Falls | N/A |
| 406-218 | Missoula | 8/3/2004 |
| 406-219 | Bozeman | 2/13/2003 |
| 406-220 | Livingston | N/A |
| 406-221 | Butte | 2/13/2003 |
| 406-222 | Livingston | N/A |
| 406-223 | Livingston | N/A |
| 406-224 | Livingston | N/A |
| 406-225 | Boulder | N/A |
| 406-226 | East Glacier Park | N/A |
| 406-227 | Helena | N/A |
| 406-228 | Glasgow | N/A |
| 406-229 | Cut Bank | 1/20/2003 |
| 406-230 | Glasgow | N/A |
| 406-231 | Great Falls | 7/12/2001 |
| 406-232 | Miles City | N/A |
| 406-233 | Miles City | N/A |
| 406-234 | Miles City | N/A |
| 406-235 | Wolf Creek | N/A |
| 406-236 | Neihart | N/A |
| 406-237 | Billings | N/A |
| 406-238 | Billings | N/A |
| 406-239 | Missoula | N/A |
| 406-240 | Missoula | N/A |
| 406-241 | Missoula | N/A |
| 406-242 | Thompson Falls | 3/18/2003 |
| 406-243 | Missoula | N/A |
| 406-244 | Potomac | N/A |
| 406-245 | Billings | N/A |
| 406-246 | Dixon | N/A |
| 406-247 | Billings | N/A |
| 406-248 | Billings | N/A |
| 406-249 | Kalispell | N/A |
| 406-250 | Kalispell | N/A |
| 406-251 | Missoula | N/A |
| 406-252 | Billings | N/A |
| 406-253 | Kalispell | N/A |
| 406-254 | Billings | N/A |
| 406-255 | Billings | N/A |
| 406-256 | Billings | N/A |
| 406-257 | Kalispell | N/A |
| 406-258 | Missoula | N/A |
| 406-259 | Billings | N/A |
| 406-260 | Kalispell | N/A |
| 406-261 | Kalispell | N/A |
| 406-262 | Havre | N/A |
| 406-263 | Glasgow | N/A |
| 406-264 | Fort Shaw | N/A |
| 406-265 | Havre | N/A |
| 406-266 | Townsend | N/A |
| 406-267 | Divide | N/A |
| 406-268 | Great Falls | N/A |
| 406-269 | St Regis | 10/12/2010 |
| 406-270 | Kalispell | N/A |
| 406-271 | Conrad | N/A |
| 406-272 | Billings | N/A |
| 406-273 | Missoula | N/A |
| 406-274 | Missoula | N/A |
| 406-275 | Pablo | N/A |
| 406-276 | Lima | N/A |
| 406-277 | Belt | N/A |
| 406-278 | Conrad | N/A |
| 406-279 | Valier | N/A |
| 406-280 | St Regis | 3/18/2003 |
| 406-281 | Billings | N/A |
| 406-282 | Manhattan | N/A |
| 406-283 | Libby | N/A |
| 406-284 | Manhattan | N/A |
| 406-285 | Three Forks | N/A |
| 406-286 | Reserve | N/A |
| 406-287 | Whitehall | N/A |
| 406-288 | Drummond | N/A |
| 406-289 | Conrad | N/A |
| 406-290 | Columbus | 3/14/2007 |
| 406-291 | Libby | N/A |
| 406-292 | Joplin | N/A |
| 406-293 | Libby | N/A |
| 406-294 | Billings | N/A |
| 406-295 | Troy | N/A |
| 406-296 | Eureka | N/A |
| 406-297 | Eureka Rural | N/A |
| 406-298 | Columbus | N/A |
| 406-299 | Butte | 1/23/2003 |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-300 | Kalispell | 7/17/2013 |
| 406-301 | Malta | 5/6/2008 |
| 406-302 | Wolf Creek | 10/3/2011 |
| 406-303 | Missoula | 4/17/2012 |
| 406-304 | Missoula | 3/25/2016 |
| 406-305 | White Sulphur Springs | 10/20/2010 |
| 406-306 | Manhattan | 10/20/2017 |
| 406-308 | Cascade | 9/5/2017 |
| 406-309 | Kalispell | 7/1/2011 |
| 406-310 | Butte | N/A |
| 406-312 | Bozeman | N/A |
| 406-313 | Boulder | 11/16/2012 |
| 406-314 | Kalispell | 10/21/2004 |
| 406-315 | Great Falls | N/A |
| 406-316 | Boulder | 7/12/2019 |
| 406-317 | Missoula | N/A |
| 406-318 | Billings | 2/17/2011 |
| 406-319 | Polson | N/A |
| 406-320 | Roundup | N/A |
| 406-321 | Columbus | N/A |
| 406-322 | Columbus | N/A |
| 406-323 | Roundup | N/A |
| 406-324 | Helena | N/A |
| 406-325 | Billings | N/A |
| 406-326 | Reed Point | N/A |
| 406-327 | Missoula | N/A |
| 406-328 | Absarokee | N/A |
| 406-329 | Missoula | N/A |
| 406-330 | Clinton | N/A |
| 406-331 | Roundup | N/A |
| 406-332 | Pablo | N/A |
| 406-333 | Livingston | N/A |
| 406-334 | Libby | 5/10/2004 |
| 406-335 | Sweet Grass | N/A |
| 406-336 | North Cut Bank | N/A |
| 406-337 | Kevin/ Oilmont | N/A |
| 406-338 | Browning | N/A |
| 406-339 | Ethridge | N/A |
| 406-340 | Lima | N/A |
| 406-341 | Manhattan | 7/6/2020 |
| 406-342 | Hysham | N/A |
| 406-343 | Wyola | N/A |
| 406-344 | Havre | 7/28/2016 |
| 406-345 | Glendive | N/A |
| 406-346 | Forsyth | 7/11/2002 |
| 406-347 | Rosebud | N/A |
| 406-348 | Huntley | N/A |
| 406-349 | Alta | N/A |
| 406-350 | Lewistown | N/A |
| 406-351 | Forsyth | N/A |
| 406-352 | Box Elder | N/A |
| 406-353 | Harlem | N/A |
| 406-354 | Rock Springs | N/A |
| 406-355 | Rudyard | N/A |
| 406-356 | Forsyth | N/A |
| 406-357 | Chinook | N/A |
| 406-358 | Melstone | N/A |
| 406-359 | Glendive | N/A |
| 406-360 | Hamilton | N/A |
| 406-361 | Hamilton | 6/9/2011 |
| 406-362 | Lincoln | N/A |
| 406-363 | Hamilton | N/A |
| 406-364 | Hinsdale | N/A |
| 406-365 | Glendive | N/A |
| 406-366 | Lewistown | N/A |
| 406-367 | North Glasgow | N/A |
| 406-368 | Canyon Creek | N/A |
| 406-369 | Hamilton | N/A |
| 406-370 | Missoula | N/A |
| 406-371 | Billings | 7/27/2004 |
| 406-372 | Kremlin | N/A |
| 406-373 | Billings | N/A |
| 406-374 | Moore | N/A |
| 406-375 | Hamilton | N/A |
| 406-376 | Gildford | N/A |
| 406-377 | Glendive | N/A |
| 406-378 | Big Sandy | N/A |
| 406-379 | Turner | N/A |
| 406-380 | Lewistown | N/A |
| 406-381 | Hamilton | N/A |
| 406-382 | Superior | 3/18/2003 |
| 406-383 | Dodson | N/A |
| 406-384 | Billings | N/A |
| 406-385 | Westby | N/A |
| 406-386 | Hopp/ Illiad | N/A |
| 406-387 | Hungry Horse | N/A |
| 406-388 | Belgrade | N/A |
| 406-389 | Helena | 9/18/2013 |
| 406-390 | South Havre | N/A |
| 406-391 | Cut Bank | N/A |
| 406-392 | North Wolf Point | N/A |
| 406-393 | Somers | 3/30/2006 |
| 406-394 | North Havre | N/A |
| 406-395 | South Havre | N/A |
| 406-396 | Missoula | 11/26/2003 |
| 406-397 | Hingham | N/A |
| 406-398 | North Havre | N/A |
| 406-399 | South Havre | N/A |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-400 | Havre | 4/27/2017 |
| 406-401 | Great Falls | 5/29/2019 |
| 406-402 | Great Falls | 8/4/2017 |
| 406-403 | Great Falls | 3/8/2006 |
| 406-404 | Bozeman | 4/3/2012 |
| 406-405 | Libby | 9/8/2022 |
| 406-407 | Kalispell | 8/16/2010 |
| 406-408 | Hays | 10/15/2019 |
| 406-409 | Billings | 5/29/2019 |
| 406-410 | Helena | N/A |
| 406-412 | Billings | 5/22/2017 |
| 406-413 | Billings | 5/12/2015 |
| 406-414 | Bozeman | 12/7/2011 |
| 406-415 | Deer Lodge | 4/9/2010 |
| 406-416 | Forsyth | 6/17/2020 |
| 406-417 | Helena | 5/28/2008 |
| 406-418 | Cooke City | 8/20/2019 |
| 406-419 | Victor | 7/12/2019 |
| 406-420 | Bigfork | 2/28/2006 |
| 406-421 | South Miles City | N/A |
| 406-422 | Helena | N/A |
| 406-423 | Hobson | N/A |
| 406-424 | Shelby | 11/12/2001 |
| 406-425 | Red Lodge | N/A |
| 406-426 | Red Lodge | N/A |
| 406-427 | South Broadus | N/A |
| 406-428 | Grass Range | N/A |
| 406-429 | Winnett | N/A |
| 406-430 | Helena | N/A |
| 406-431 | Helena | N/A |
| 406-432 | Devon | N/A |
| 406-433 | Sidney | N/A |
| 406-434 | Shelby | N/A |
| 406-435 | Billings | N/A |
| 406-436 | Broadus | N/A |
| 406-437 | Helena | 7/27/2004 |
| 406-438 | Helena | 2/6/2014 |
| 406-439 | Helena | N/A |
| 406-440 | Helena | 7/1/2005 |
| 406-441 | Helena | N/A |
| 406-442 | Helena | N/A |
| 406-443 | Helena | N/A |
| 406-444 | Helena | N/A |
| 406-445 | Red Lodge | N/A |
| 406-446 | Red Lodge | N/A |
| 406-447 | Helena | N/A |
| 406-448 | North Poplar | N/A |
| 406-449 | Helena | N/A |
| 406-450 | Shelby | N/A |
| 406-451 | Bozeman | 8/4/2004 |
| 406-452 | Great Falls | N/A |
| 406-453 | Great Falls | N/A |
| 406-454 | Great Falls | N/A |
| 406-455 | Great Falls | N/A |
| 406-456 | South Chester | N/A |
| 406-457 | Helena | N/A |
| 406-458 | Helena | N/A |
| 406-459 | Helena | N/A |
| 406-460 | Shelby | N/A |
| 406-461 | Helena | N/A |
| 406-462 | Winifred | N/A |
| 406-463 | Power | N/A |
| 406-464 | Roy | N/A |
| 406-465 | Helena | N/A |
| 406-466 | Choteau | N/A |
| 406-467 | Fairfield | N/A |
| 406-468 | Cascade | N/A |
| 406-469 | Pendroy | N/A |
| 406-470 | Shelby | N/A |
| 406-471 | Kalispell | 6/1/2005 |
| 406-472 | Dupuyer | N/A |
| 406-473 | Judith Gap | N/A |
| 406-474 | Flaxville | N/A |
| 406-475 | Helena | N/A |
| 406-476 | Dutton | N/A |
| 406-477 | Lame Deer | N/A |
| 406-478 | Sidney | N/A |
| 406-479 | Butte | 10/3/2013 |
| 406-480 | Sidney | N/A |
| 406-481 | Missoula | 06/21/2023 |
| 406-482 | Sidney | N/A |
| 406-483 | Dagmar | N/A |
| 406-484 | Crooked Creek | N/A |
| 406-485 | Circle | N/A |
| 406-486 | Fallon | N/A |
| 406-487 | Scobey | N/A |
| 406-488 | Sidney | N/A |
| 406-489 | Sidney | N/A |
| 406-490 | Butte | N/A |
| 406-491 | Butte | N/A |
| 406-492 | Avon | N/A |
| 406-493 | Missoula | N/A |
| 406-494 | Butte | N/A |
| 406-495 | Helena | N/A |
| 406-496 | Butte | N/A |
| 406-497 | Butte | N/A |
| 406-498 | Butte | N/A |
| 406-499 | Seeley Lake | 3/18/2003 |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-500 | Billings | 1/29/2019 |
| 406-501 | Whitehall | 8/20/2019 |
| 406-502 | Helena | 4/3/2012 |
| 406-503 | Billings | 04/05/2023 |
| 406-504 | Fairfield | 2/12/2021 |
| 406-505 | Conrad | 10/14/2010 |
| 406-506 | Billings | 6/1/2020 |
| 406-507 | Whitefish | 02/17/2023 |
| 406-508 | Frenchtown | 2/3/2012 |
| 406-510 | Missoula | 3/22/2017 |
| 406-512 | Boulder | 02/22/2023 |
| 406-513 | Helena | 4/8/2008 |
| 406-514 | Culbertson | 10/20/2010 |
| 406-515 | Superior | 10/12/2010 |
| 406-516 | Laurel | 04/27/2023 |
| 406-518 | Gallatin Gateway | 9/27/2011 |
| 406-519 | Missoula | N/A |
| 406-520 | Absarokee | N/A |
| 406-521 | Townsend | N/A |
| 406-522 | Bozeman | N/A |
| 406-523 | Missoula | N/A |
| 406-524 | Valley Industrial Park | N/A |
| 406-525 | South Wolf Point | N/A |
| 406-526 | Fort Peck | N/A |
| 406-527 | Saco | N/A |
| 406-528 | Ronan | N/A |
| 406-529 | Missoula | 9/16/2005 |
| 406-530 | Laurel | N/A |
| 406-531 | Missoula | N/A |
| 406-532 | Missoula | N/A |
| 406-533 | Butte | N/A |
| 406-534 | Billings | N/A |
| 406-535 | Lewistown | N/A |
| 406-537 | Melville | N/A |
| 406-538 | Lewistown | N/A |
| 406-539 | Bozeman | N/A |
| 406-540 | Missoula | N/A |
| 406-541 | Missoula | N/A |
| 406-542 | Missoula | N/A |
| 406-543 | Missoula | N/A |
| 406-544 | Missoula | N/A |
| 406-545 | Billings | 6/19/2002 |
| 406-546 | Missoula | N/A |
| 406-547 | White Sulphur Springs | N/A |
| 406-548 | Bozeman | N/A |
| 406-549 | Missoula | N/A |
| 406-550 | Missoula | N/A |
| 406-551 | Bozeman | 6/19/2002 |
| 406-552 | Missoula | 6/19/2002 |
| 406-553 | Divide | N/A |
| 406-554 | North Broadus | N/A |
| 406-556 | Bozeman | N/A |
| 406-557 | Jordan | N/A |
| 406-558 | Helena | 6/19/2002 |
| 406-559 | Anaconda | N/A |
| 406-560 | Anaconda | N/A |
| 406-561 | Billings | 8/2/2017 |
| 406-562 | Augusta | N/A |
| 406-563 | Anaconda | N/A |
| 406-564 | Great Falls | 6/19/2002 |
| 406-565 | Butte | 6/19/2002 |
| 406-566 | Stanford | N/A |
| 406-567 | Denton | N/A |
| 406-568 | Ryegate | N/A |
| 406-569 | West Squaw Gap | N/A |
| 406-570 | Bozeman | N/A |
| 406-571 | Finley Point | N/A |
| 406-572 | Martinsdale | N/A |
| 406-573 | Browning | N/A |
| 406-574 | Silvertip | N/A |
| 406-575 | North Ryegate | N/A |
| 406-576 | Conrad | N/A |
| 406-577 | Bozeman | N/A |
| 406-578 | Wilsall | N/A |
| 406-579 | Bozeman | N/A |
| 406-580 | Bozeman | N/A |
| 406-581 | Bozeman | N/A |
| 406-582 | Bozeman | N/A |
| 406-583 | Bloomfield | N/A |
| 406-584 | Lindsay | N/A |
| 406-585 | Bozeman | N/A |
| 406-586 | Bozeman | N/A |
| 406-587 | Bozeman | N/A |
| 406-588 | Carlyle | N/A |
| 406-589 | Bozeman | N/A |
| 406-590 | Great Falls | N/A |
| 406-591 | Billings | N/A |
| 406-592 | Busby | N/A |
| 406-593 | Butte | N/A |
| 406-594 | Helena | N/A |
| 406-595 | Bozeman | N/A |
| 406-596 | Dillon | N/A |
| 406-597 | Shelby | N/A |
| 406-598 | Billings | N/A |
| 406-599 | Bozeman | 10/26/2004 |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-600 | Bozeman | 4/13/2006 |
| 406-601 | Billings | 11/8/2013 |
| 406-602 | Bozeman | 11/8/2013 |
| 406-603 | Helena | 11/8/2013 |
| 406-604 | Great Falls | 7/15/2011 |
| 406-605 | Butte | 4/18/2021 |
| 406-606 | Billings | 12/7/2012 |
| 406-607 | Kalispell | 11/8/2013 |
| 406-608 | Billings | 5/6/2021 |
| 406-609 | Kalispell | 3/24/2021 |
| 406-612 | Swan Lake | 10/11/2007 |
| 406-613 | Bozeman | 6/16/2022 |
| 406-614 | Bigfork | 10/13/2020 |
| 406-615 | Thompson Falls | 4/28/2014 |
| 406-616 | Three Forks | 7/1/2011 |
| 406-620 | Billings | 12/6/2005 |
| 406-621 | Fort Benton | N/A |
| 406-622 | Fort Benton | N/A |
| 406-623 | Hardin | 2/16/2005 |
| 406-624 | Bozeman | 2/3/2005 |
| 406-625 | Stevensville | N/A |
| 406-626 | Frenchtown | N/A |
| 406-627 | East Conrad | N/A |
| 406-628 | Laurel | N/A |
| 406-629 | Hardin | N/A |
| 406-630 | Sidney | 2/16/2005 |
| 406-631 | Elmo | 7/26/2007 |
| 406-632 | Harlowton | N/A |
| 406-633 | Laurel | N/A |
| 406-634 | Helena | N/A |
| 406-635 | Terry | N/A |
| 406-636 | Lavina | N/A |
| 406-637 | Terry | N/A |
| 406-638 | Hardin | N/A |
| 406-639 | Lodgegrass | N/A |
| 406-640 | West Yellowstone | N/A |
| 406-641 | West Yellowstone | N/A |
| 406-642 | Victor | N/A |
| 406-643 | North Parkman | 5/24/2007 |
| 406-644 | Charlo | N/A |
| 406-645 | Deer Lodge | N/A |
| 406-646 | West Yellowstone | N/A |
| 406-647 | Billings | 7/3/2008 |
| 406-648 | North Hinsdale | N/A |
| 406-649 | St Regis | N/A |
| 406-650 | Wolf Point | N/A |
| 406-651 | Billings | N/A |
| 406-652 | Billings | N/A |
| 406-653 | Wolf Point | N/A |
| 406-654 | Malta | N/A |
| 406-655 | Billings | N/A |
| 406-656 | Billings | N/A |
| 406-657 | Billings | N/A |
| 406-658 | South Malta | N/A |
| 406-659 | North Parkman | N/A |
| 406-660 | Dillon | N/A |
| 406-661 | Billings | N/A |
| 406-662 | Bridger | N/A |
| 406-663 | Rapelje | N/A |
| 406-664 | Belfry | N/A |
| 406-665 | Hardin | N/A |
| 406-666 | Fort Smith | N/A |
| 406-667 | Broadview | N/A |
| 406-668 | Fromberg | N/A |
| 406-669 | Molt | N/A |
| 406-670 | Billings | N/A |
| 406-671 | Billings | N/A |
| 406-672 | Billings | N/A |
| 406-673 | Hays | N/A |
| 406-674 | Whitewater | N/A |
| 406-675 | Pablo | N/A |
| 406-676 | Ronan | N/A |
| 406-677 | Seeley Lake | N/A |
| 406-678 | Haugan | N/A |
| 406-679 | Hardin | N/A |
| 406-680 | Malta | 1/10/2005 |
| 406-681 | Grant | N/A |
| 406-682 | Ennis | N/A |
| 406-683 | Dillon | N/A |
| 406-684 | Twin Bridges | N/A |
| 406-685 | Harrison | N/A |
| 406-686 | Clyde Park | N/A |
| 406-687 | W Glendive | N/A |
| 406-688 | Scobey | 2/10/2014 |
| 406-689 | Wisdom | N/A |
| 406-690 | Billings | N/A |
| 406-691 | Anaconda | N/A |
| 406-692 | Yellow Bay | 10/11/2007 |
| 406-693 | Warm Springs | N/A |
| 406-694 | Billings | 1/5/2005 |
| 406-695 | Frazer | N/A |
| 406-696 | Billings | 6/15/2006 |
| 406-697 | Billings | 4/21/2005 |
| 406-698 | Billings | N/A |
| 406-699 | Hardin | N/A |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-702 | Billings | 3/7/2012 |
| 406-703 | Columbus | 5/24/2021 |
| 406-707 | Lewistown | N/A |
| 406-708 | Lewistown | 2/16/2005 |
| 406-709 | Lakeside | N/A |
| 406-715 | Lame Deer | 9/22/2015 |
| 406-717 | Billings | 6/6/2018 |
| 406-718 | Darby | 4/12/2021 |
| 406-719 | Fromberg | 8/20/2019 |
| 406-720 | Colstrip | N/A |
| 406-721 | Missoula | N/A |
| 406-722 | Alberton | N/A |
| 406-723 | Butte | N/A |
| 406-724 | Glentana | N/A |
| 406-725 | Larslan | N/A |
| 406-726 | Arlee | N/A |
| 406-727 | Great Falls | N/A |
| 406-728 | Missoula | N/A |
| 406-729 | Wilsall | 9/8/2016 |
| 406-730 | Whitefish | N/A |
| 406-731 | Great Falls | N/A |
| 406-732 | St Mary | N/A |
| 406-733 | Highwood | N/A |
| 406-734 | Carter | N/A |
| 406-735 | Geyser | N/A |
| 406-736 | Stockett | N/A |
| 406-737 | Geraldine | N/A |
| 406-738 | Raynesford | N/A |
| 406-739 | Loma | N/A |
| 406-740 | Colstrip | N/A |
| 406-741 | Hot Springs | N/A |
| 406-742 | Fairview | N/A |
| 406-743 | Laurel | 9/8/2006 |
| 406-744 | St Ignatius | 11/16/2012 |
| 406-745 | St Ignatius | N/A |
| 406-746 | Nashua | N/A |
| 406-747 | Fairview | N/A |
| 406-748 | Colstrip | N/A |
| 406-749 | Colstrip | N/A |
| 406-750 | Great Falls | 8/22/2005 |
| 406-751 | Kalispell | N/A |
| 406-752 | Kalispell | N/A |
| 406-753 | Brady | N/A |
| 406-754 | Condon | N/A |
| 406-755 | Kalispell | N/A |
| 406-756 | Kalispell | N/A |
| 406-757 | Decker | N/A |
| 406-758 | Kalispell | N/A |
| 406-759 | Chester | N/A |
| 406-760 | Great Falls | N/A |
| 406-761 | Great Falls | N/A |
| 406-762 | Opheim | N/A |
| 406-763 | Gallatin Gateway | N/A |
| 406-764 | North Frannie | N/A |
| 406-765 | Plentywood | N/A |
| 406-766 | Froid | N/A |
| 406-767 | Ridge | N/A |
| 406-768 | Poplar | N/A |
| 406-769 | Bainville | N/A |
| 406-770 | Great Falls | N/A |
| 406-771 | Great Falls | N/A |
| 406-772 | Plevna | N/A |
| 406-773 | Richey | N/A |
| 406-774 | Lambert | N/A |
| 406-775 | Ekalaka | N/A |
| 406-776 | Savage | N/A |
| 406-777 | Stevensville | N/A |
| 406-778 | Baker | N/A |
| 406-779 | Flaxville Rural | N/A |
| 406-780 | Columbus | N/A |
| 406-781 | Great Falls | N/A |
| 406-782 | Butte | N/A |
| 406-783 | Scobey Rural | N/A |
| 406-784 | Ashland | N/A |
| 406-785 | North Nashua | N/A |
| 406-786 | Brockton | N/A |
| 406-787 | Culbertson | N/A |
| 406-788 | Great Falls | N/A |
| 406-789 | Medicine Lake | N/A |
| 406-790 | Culbertson | N/A |
| 406-791 | Great Falls | N/A |
| 406-792 | Butte | N/A |
| 406-793 | Ovando | N/A |
| 406-794 | Billings | 3/15/2006 |
| 406-795 | Wibaux | N/A |
| 406-796 | Wibaux | N/A |
| 406-797 | Anaconda | N/A |
| 406-798 | West Sidney | N/A |
| 406-799 | Great Falls | N/A |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-800 | Bridger | 12/11/2013 |
| 406-802 | Hamilton | N/A |
| 406-804 | Gardiner | 8/20/2019 |
| 406-807 | East Glacier Park | 4/22/2021 |
| 406-808 | Havre | N/A |
| 406-812 | Laurel | 10/3/2011 |
| 406-813 | Belgrade | 9/14/2011 |
| 406-815 | Red Lodge | N/A |
| 406-818 | Red Lodge | N/A |
| 406-820 | Olney | 10/11/2007 |
| 406-821 | Darby | N/A |
| 406-822 | Superior | N/A |
| 406-823 | Livingston | N/A |
| 406-824 | St Ignatius | N/A |
| 406-825 | Clinton | N/A |
| 406-826 | Plains | N/A |
| 406-827 | Thompson Falls | N/A |
| 406-828 | Alzada | N/A |
| 406-829 | Missoula | N/A |
| 406-830 | Missoula | 2/6/2007 |
| 406-831 | Billings | 12/21/2016 |
| 406-832 | Wise River | N/A |
| 406-833 | Ronan | N/A |
| 406-834 | Jackson | N/A |
| 406-835 | Melrose | N/A |
| 406-836 | Great Falls | N/A |
| 406-837 | Bigfork | N/A |
| 406-838 | Cooke City | N/A |
| 406-839 | Billings | 9/30/2006 |
| 406-840 | Silvertip | 5/23/2007 |
| 406-841 | Helena | N/A |
| 406-842 | Sheridan | N/A |
| 406-843 | Virginia City | N/A |
| 406-844 | Lakeside | N/A |
| 406-845 | Cut Bank | 10/27/2008 |
| 406-846 | Deer Lodge | N/A |
| 406-847 | Noxon | N/A |
| 406-848 | Gardiner | N/A |
| 406-849 | Elmo | N/A |
| 406-850 | Billings | N/A |
| 406-851 | Miles City | N/A |
| 406-852 | Miles City | N/A |
| 406-853 | Miles City | N/A |
| 406-854 | Marion | N/A |
| 406-855 | Billings | N/A |
| 406-856 | Custer | N/A |
| 406-857 | Somers | N/A |
| 406-858 | Kalispell | N/A |
| 406-859 | Philipsburg | N/A |
| 406-860 | Billings | N/A |
| 406-861 | Billings | N/A |
| 406-862 | Whitefish | N/A |
| 406-863 | Whitefish | N/A |
| 406-864 | South Alberton | N/A |
| 406-865 | Dillon | N/A |
| 406-866 | Great Falls | N/A |
| 406-867 | Billings | N/A |
| 406-868 | Great Falls | N/A |
| 406-869 | Billings | N/A |
| 406-870 | Great Falls | N/A |
| 406-871 | Kalispell | 6/15/2006 |
| 406-872 | Polson | 10/15/2007 |
| 406-873 | Cut Bank | N/A |
| 406-874 | Miles City | N/A |
| 406-875 | Pompeys Pillar | N/A |
| 406-876 | Billings | N/A |
| 406-877 | West Beach | N/A |
| 406-878 | Great Falls | 3/1/2013 |
| 406-879 | Havre | 11/11/2009 |
| 406-880 | Missoula | N/A |
| 406-881 | Olney | N/A |
| 406-882 | Eureka Rural | N/A |
| 406-883 | Polson | N/A |
| 406-884 | Polson | N/A |
| 406-885 | Kalispell | N/A |
| 406-886 | Swan Lake | N/A |
| 406-887 | Finley Point | N/A |
| 406-888 | West Glacier | N/A |
| 406-889 | Eureka Rural | N/A |
| 406-890 | Kalispell | N/A |
| 406-891 | Baker | N/A |
| 406-892 | Columbia Falls | N/A |
| 406-893 | Peerless | N/A |
| 406-894 | Billings | N/A |
| 406-895 | Outlook | N/A |
| 406-896 | Billings | N/A |
| 406-897 | Columbia Falls | N/A |
| 406-898 | Bozeman | 3/20/2009 |
| 406-899 | Great Falls | N/A |
| PrefixXX | City Served | Date |
|---|---|---|
| 406-900 | Ennis | 9/29/2017 |
| 406-901 | Billings | 4/14/2021 |
| 406-902 | Sheridan | 11/27/2018 |
| 406-905 | Joliet | 10/3/2011 |
| 406-909 | Columbia Falls | 5/24/2018 |
| 406-913 | Roundup | N/A |
| 406-914 | Lambert | N/A |
| 406-915 | South Wolf Point | N/A |
| 406-916 | Helena | 3/24/2017 |
| 406-919 | Belgrade | 3/4/2019 |
| 406-920 | Bozeman | N/A |
| 406-922 | Bozeman | N/A |
| 406-923 | Great Falls | 1/3/2005 |
| 406-924 | Belgrade | 10/26/2004 |
| 406-925 | Dillon | N/A |
| 406-926 | Missoula | 1/7/2011 |
| 406-927 | Billings | 7/23/2010 |
| 406-928 | Grass Range | N/A |
| 406-929 | Hungry Horse | 7/26/2007 |
| 406-930 | Big Timber | N/A |
| 406-931 | Big Timber | N/A |
| 406-932 | Big Timber | N/A |
| 406-933 | Helena | N/A |
| 406-934 | Miles City | N/A |
| 406-935 | Broadus | N/A |
| 406-936 | Clyde Park | 7/15/2015 |
| 406-937 | Sunburst | N/A |
| 406-938 | Alzada | N/A |
| 406-939 | West Glendive | N/A |
| 406-940 | Molt | 7/18/2017 |
| 406-941 | West Glendive | N/A |
| 406-942 | Glasgow | 10/23/2009 |
| 406-943 | Sidney | 1/9/2003 |
| 406-944 | Miles City | 1/9/2003 |
| 406-945 | Havre | N/A |
| 406-946 | Livingston | 1/9/2003 |
| 406-947 | Musselshell | N/A |
| 406-948 | Glendive | 1/9/2003 |
| 406-949 | Townsend | N/A |
| 406-951 | Miles City | N/A |
| 406-952 | Great Falls | N/A |
| 406-953 | Hardin | N/A |
| 406-954 | Roy | N/A |
| 406-956 | Baker | 10/20/2010 |
| 406-957 | Terry | N/A |
| 406-960 | Dillon | 1/9/2003 |
| 406-961 | Hamilton | N/A |
| 406-962 | Joliet | N/A |
| 406-963 | Froid Rural | N/A |
| 406-964 | Great Falls | N/A |
| 406-965 | Great Falls | N/A |
| 406-966 | Shelby | 1/9/2003 |
| 406-967 | Worden | N/A |
| 406-968 | Lewistown | 1/9/2003 |
| 406-969 | Billings | N/A |
| 406-970 | Billings | 6/3/2016 |
| 406-971 | Plevna | N/A |
| 406-972 | West Camp Crook | N/A |
| 406-973 | Sidney | N/A |
| 406-974 | Circle | N/A |
| 406-975 | Ekalaka | N/A |
| 406-977 | Jordan | N/A |
| 406-978 | Baker | N/A |
| 406-979 | Richey | N/A |
| 406-980 | Townsend | N/A |
| 406-981 | South Miles City | N/A |
| 406-982 | Yellow Bay | N/A |
| 406-983 | Ashland | N/A |
| 406-984 | Birney | N/A |
| 406-987 | Glendive | N/A |
| 406-988 | Dillon | 1/7/2005 |
| 406-989 | West Glendive | N/A |
| 406-990 | Lame Deer | 5/12/2020 |
| 406-991 | Marion | 10/11/2007 |
| 406-992 | Helena | 8/26/2008 |
| 406-993 | Big Sky | N/A |
| 406-994 | Bozeman | N/A |
| 406-995 | Big Sky | N/A |
| 406-996 | Helena | 1/10/2011 |
| 406-998 | Billings | 8/26/2015 |
| 406-999 | Big Sky | 7/11/2006 |
201 Area Code 202 Area Code 203 Area Code 205 Area Code 206 Area Code 207 Area Code 208 Area Code 209 Area Code 210 Area Code 212 Area Code 213 Area Code 214 Area Code 215 Area Code 216 Area Code 217 Area Code 218 Area Code 219 Area Code 220 Area Code 223 Area Code 224 Area Code 225 Area Code 228 Area Code 229 Area Code 231 Area Code 234 Area Code 239 Area Code 240 Area Code 248 Area Code 251 Area Code 252 Area Code 253 Area Code 254 Area Code 256 Area Code 260 Area Code 262 Area Code 267 Area Code 269 Area Code 270 Area Code 272 Area Code 276 Area Code 279 Area Code 281 Area Code 301 Area Code 302 Area Code 303 Area Code 304 Area Code 305 Area Code 307 Area Code 308 Area Code 309 Area Code 310 Area Code 312 Area Code 313 Area Code 314 Area Code 315 Area Code 316 Area Code 317 Area Code 318 Area Code 319 Area Code 320 Area Code 321 Area Code 323 Area Code 325 Area Code 326 Area Code 330 Area Code 331 Area Code 332 Area Code 334 Area Code 336 Area Code 337 Area Code 339 Area Code 340 Area Code 341 Area Code 346 Area Code 347 Area Code 350 Area Code 351 Area Code 352 Area Code 360 Area Code 361 Area Code 363 Area Code 364 Area Code 380 Area Code 385 Area Code 386 Area Code 401 Area Code 402 Area Code 404 Area Code 405 Area Code 406 Area Code 407 Area Code 408 Area Code 409 Area Code 410 Area Code 412 Area Code 413 Area Code 414 Area Code 415 Area Code 417 Area Code 419 Area Code 423 Area Code 424 Area Code 425 Area Code 430 Area Code 432 Area Code 434 Area Code 435 Area Code 440 Area Code 442 Area Code 443 Area Code 445 Area Code 447 Area Code 448 Area Code 458 Area Code 463 Area Code 464 Area Code 469 Area Code 470 Area Code 472 Area Code 475 Area Code 478 Area Code 479 Area Code 480 Area Code 484 Area Code 501 Area Code 502 Area Code 503 Area Code 504 Area Code 505 Area Code 507 Area Code 508 Area Code 509 Area Code 510 Area Code 512 Area Code 513 Area Code 515 Area Code 516 Area Code 517 Area Code 518 Area Code 520 Area Code 530 Area Code 531 Area Code 534 Area Code 539 Area Code 540 Area Code 541 Area Code 551 Area Code 559 Area Code 561 Area Code 562 Area Code 563 Area Code 564 Area Code 567 Area Code 570 Area Code 571 Area Code 572 Area Code 573 Area Code 574 Area Code 575 Area Code 580 Area Code 582 Area Code 585 Area Code 586 Area Code 601 Area Code 602 Area Code 603 Area Code 605 Area Code 606 Area Code 607 Area Code 608 Area Code 609 Area Code 610 Area Code 612 Area Code 614 Area Code 615 Area Code 616 Area Code 617 Area Code 618 Area Code 619 Area Code 620 Area Code 623 Area Code 626 Area Code 628 Area Code 629 Area Code 630 Area Code 631 Area Code 636 Area Code 640 Area Code 641 Area Code 646 Area Code 650 Area Code 651 Area Code 656 Area Code 657 Area Code 659 Area Code 660 Area Code 661 Area Code 662 Area Code 667 Area Code 669 Area Code 670 Area Code 671 Area Code 678 Area Code 680 Area Code 681 Area Code 682 Area Code 684 Area Code 689 Area Code 701 Area Code 702 Area Code 703 Area Code 704 Area Code 706 Area Code 707 Area Code 708 Area Code 712 Area Code 713 Area Code 714 Area Code 715 Area Code 716 Area Code 717 Area Code 718 Area Code 719 Area Code 720 Area Code 724 Area Code 725 Area Code 726 Area Code 727 Area Code 731 Area Code 732 Area Code 734 Area Code 737 Area Code 740 Area Code 743 Area Code 747 Area Code 754 Area Code 757 Area Code 760 Area Code 762 Area Code 763 Area Code 765 Area Code 769 Area Code 770 Area Code 771 Area Code 772 Area Code 773 Area Code 774 Area Code 775 Area Code 779 Area Code 781 Area Code 785 Area Code 786 Area Code 787 Area Code 801 Area Code 802 Area Code 803 Area Code 804 Area Code 805 Area Code 806 Area Code 808 Area Code 810 Area Code 812 Area Code 813 Area Code 814 Area Code 815 Area Code 816 Area Code 817 Area Code 818 Area Code 820 Area Code 826 Area Code 828 Area Code 830 Area Code 831 Area Code 832 Area Code 835 Area Code 838 Area Code 839 Area Code 840 Area Code 843 Area Code 845 Area Code 847 Area Code 848 Area Code 850 Area Code 854 Area Code 856 Area Code 857 Area Code 858 Area Code 859 Area Code 860 Area Code 862 Area Code 863 Area Code 864 Area Code 865 Area Code 870 Area Code 872 Area Code 878 Area Code 901 Area Code 903 Area Code 904 Area Code 906 Area Code 907 Area Code 908 Area Code 909 Area Code 910 Area Code 912 Area Code 913 Area Code 914 Area Code 915 Area Code 916 Area Code 917 Area Code 918 Area Code 919 Area Code 920 Area Code 925 Area Code 928 Area Code 929 Area Code 930 Area Code 931 Area Code 934 Area Code 936 Area Code 937 Area Code 938 Area Code 939 Area Code 940 Area Code 941 Area Code 943 Area Code 945 Area Code 947 Area Code 948 Area Code 949 Area Code 951 Area Code 952 Area Code 954 Area Code 956 Area Code 959 Area Code 970 Area Code 971 Area Code 972 Area Code 973 Area Code 978 Area Code 979 Area Code 980 Area Code 983 Area Code 984 Area Code 985 Area Code 986 Area Code 989 Area Code