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Area Code 406 Information and Location Details

Area code 406 serves the state of Montana. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 406 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.

Area Code 406 Has 639 Exchanges

Exchange City
406-200 Billings
406-201 Forsyth
406-202 Helena
406-203 Missoula
406-204 Helena
406-205 Great Falls
406-206 Billings
406-207 Missoula
406-208 Billings
406-209 Bozeman
406-210 Seeley Lake
406-212 Kalispell
406-213 Colstrip
406-214 Missoula
406-215 Missoula
406-216 Great Falls
406-217 Great Falls
406-218 Missoula
406-219 Bozeman
406-220 Livingston
406-221 Butte
406-222 Livingston
406-223 Livingston
406-224 Livingston
406-225 Boulder
406-226 East Glacier Park
406-227 Helena
406-228 Glasgow
406-229 Cut Bank
406-230 Glasgow
406-231 Great Falls
406-232 Miles City
406-233 Miles City
406-234 Miles City
406-235 Wolf Creek
406-236 Neihart
406-237 Billings
406-238 Billings
406-239 Missoula
406-240 Missoula
406-241 Missoula
406-242 Thompson Falls
406-243 Missoula
406-245 Billings
406-246 Dixon
406-247 Billings
406-248 Billings
406-249 Kalispell
406-250 Kalispell
406-251 Missoula
406-252 Billings
406-253 Kalispell
406-254 Billings
406-255 Billings
406-256 Billings
406-257 Kalispell
406-258 Missoula
406-259 Billings
406-260 Kalispell
406-261 Kalispell
406-262 Havre
406-263 Glasgow
406-264 Fort Shaw
406-265 Havre
406-266 Townsend
406-267 Divide
406-268 Great Falls
406-270 Kalispell
406-271 Conrad
406-272 Billings
406-273 Missoula
406-274 Missoula
406-275 Pablo
406-276 Lima
406-277 Belt
406-278 Conrad
406-279 Valier
406-281 Billings
406-282 Manhattan
406-283 Libby
406-284 Manhattan
406-285 Three Forks
406-286 Reserve
406-287 Whitehall
406-288 Drummond
406-289 Conrad
406-290 Columbus
406-291 Libby
406-292 Joplin
406-293 Libby
406-294 Billings
406-295 Troy
406-296 Eureka
406-298 Columbus
406-299 Butte
406-300 Kalispell
406-301 Malta
406-302 Wolf Creek
406-303 Missoula
406-304 Missoula
406-305 White Sulphur Springs
406-309 Kalispell
406-310 Butte
406-312 Bozeman
406-313 Boulder
406-314 Kalispell
406-315 Great Falls
406-317 Missoula
406-318 Billings
406-319 Polson
406-320 Roundup
406-321 Columbus
406-322 Columbus
406-323 Roundup
406-324 Helena
406-325 Billings
406-326 Reed Point
406-327 Missoula
406-328 Absarokee
406-329 Missoula
406-330 Clinton
406-331 Roundup
406-332 Pablo
406-333 Livingston
406-334 Libby
406-335 Sweet Grass
406-338 Browning
406-339 Ethridge
406-340 Lima
406-342 Hysham
406-343 Wyola
406-344 Havre
406-345 Glendive
406-346 Forsyth
406-347 Rosebud
406-348 Huntley
406-350 Lewistown
406-351 Forsyth
406-352 Box Elder
406-353 Harlem
406-355 Rudyard
406-356 Forsyth
406-357 Chinook
406-358 Melstone
406-359 Glendive
406-360 Hamilton
406-361 Hamilton
406-362 Lincoln
406-363 Hamilton
406-364 Hinsdale
406-365 Glendive
406-366 Lewistown
406-368 Canyon Creek
406-369 Hamilton
406-370 Missoula
406-371 Billings
406-372 Kremlin
406-373 Billings
406-374 Moore
406-375 Hamilton
406-376 Gildford
406-377 Glendive
406-378 Big Sandy
406-379 Turner
406-380 Lewistown
406-381 Hamilton
406-382 Superior
406-383 Dodson
406-384 Billings
406-385 Westby
406-387 Hungry Horse
406-388 Belgrade
406-389 Helena
406-391 Cut Bank
406-393 Somers
406-396 Missoula
406-397 Hingham
406-400 Havre
406-403 Great Falls
406-404 Bozeman
406-407 Kalispell
406-410 Helena
406-412 Billings
406-413 Billings
406-414 Bozeman
406-415 Deer Lodge
406-417 Helena
406-420 Bigfork
406-422 Helena
406-423 Hobson
406-424 Shelby
406-425 Red Lodge
406-426 Red Lodge
406-428 Grass Range
406-429 Winnett
406-430 Helena
406-431 Helena
406-433 Sidney
406-434 Shelby
406-435 Billings
406-436 Broadus
406-437 Helena
406-438 Helena
406-439 Helena
406-440 Helena
406-441 Helena
406-442 Helena
406-443 Helena
406-444 Helena
406-445 Red Lodge
406-446 Red Lodge
406-447 Helena
406-449 Helena
406-450 Shelby
406-451 Bozeman
406-452 Great Falls
406-453 Great Falls
406-454 Great Falls
406-455 Great Falls
406-457 Helena
406-458 Helena
406-459 Helena
406-460 Shelby
406-461 Helena
406-462 Winifred
406-463 Power
406-464 Roy
406-465 Helena
406-466 Choteau
406-467 Fairfield
406-468 Cascade
406-469 Pendroy
406-470 Shelby
406-471 Kalispell
406-472 Dupuyer
406-473 Judith Gap
406-474 Flaxville
406-475 Helena
406-476 Dutton
406-477 Lame Deer
406-478 Sidney
406-479 Butte
406-480 Sidney
406-482 Sidney
406-483 Dagmar
406-485 Circle
406-486 Fallon
406-487 Scobey
406-488 Sidney
406-489 Sidney
406-490 Butte
406-491 Butte
406-492 Avon
406-493 Missoula
406-494 Butte
406-495 Helena
406-496 Butte
406-497 Butte
406-498 Butte
406-499 Seeley Lake
406-502 Helena
406-505 Conrad
406-508 Frenchtown
406-510 Missoula
406-513 Helena
406-514 Culbertson
406-515 Superior
406-518 Gallatin Gateway
406-520 Absarokee
406-521 Townsend
406-522 Bozeman
406-523 Missoula
406-526 Fort Peck
406-527 Saco
406-528 Ronan
406-529 Missoula
406-530 Laurel
406-531 Missoula
406-532 Missoula
406-533 Butte
406-534 Billings
406-535 Lewistown
406-537 Melville
406-538 Lewistown
406-539 Bozeman
406-540 Missoula
406-541 Missoula
406-542 Missoula
406-543 Missoula
406-544 Missoula
406-545 Billings
406-546 Missoula
406-547 White Sulphur Springs
406-548 Bozeman
406-549 Missoula
406-550 Missoula
406-551 Bozeman
406-552 Missoula
406-553 Divide
406-555 Helena
406-556 Bozeman
406-557 Jordan
406-558 Helena
406-559 Anaconda
406-560 Anaconda
406-562 Augusta
406-563 Anaconda
406-564 Great Falls
406-565 Butte
406-566 Stanford
406-567 Denton
406-568 Ryegate
406-570 Bozeman
406-572 Martinsdale
406-573 Browning
406-576 Conrad
406-577 Bozeman
406-578 Wilsall
406-579 Bozeman
406-580 Bozeman
406-581 Bozeman
406-582 Bozeman
406-583 Bloomfield
406-584 Lindsay
406-585 Bozeman
406-586 Bozeman
406-587 Bozeman
406-589 Bozeman
406-590 Great Falls
406-591 Billings
406-592 Busby
406-593 Butte
406-594 Helena
406-595 Bozeman
406-596 Dillon
406-597 Shelby
406-598 Billings
406-599 Bozeman
406-600 Bozeman
406-601 Billings
406-602 Bozeman
406-603 Helena
406-604 Great Falls
406-606 Billings
406-607 Kalispell
406-615 Thompson Falls
406-616 Three Forks
406-620 Billings
406-621 Fort Benton
406-622 Fort Benton
406-623 Hardin
406-624 Bozeman
406-625 Stevensville
406-626 Frenchtown
406-628 Laurel
406-629 Hardin
406-630 Sidney
406-631 Elmo
406-632 Harlowton
406-633 Laurel
406-634 Helena
406-635 Terry
406-636 Lavina
406-637 Terry
406-638 Hardin
406-639 Lodge Grass
406-640 West Yellowstone
406-641 West Yellowstone
406-642 Victor
406-644 Charlo
406-645 Deer Lodge
406-646 West Yellowstone
406-647 Billings
406-650 Wolf Point
406-651 Billings
406-652 Billings
406-653 Wolf Point
406-654 Malta
406-655 Billings
406-656 Billings
406-657 Billings
406-660 Dillon
406-661 Billings
406-662 Bridger
406-663 Rapelje
406-664 Belfry
406-665 Hardin
406-666 Fort Smith
406-667 Broadview
406-668 Fromberg
406-669 Molt
406-670 Billings
406-671 Billings
406-672 Billings
406-673 Hays
406-674 Whitewater
406-675 Pablo
406-676 Ronan
406-677 Seeley Lake
406-678 Haugan
406-679 Hardin
406-680 Malta
406-682 Ennis
406-683 Dillon
406-684 Twin Bridges
406-685 Harrison
406-686 Clyde Park
406-688 Scobey
406-689 Wisdom
406-690 Billings
406-691 Anaconda
406-693 Warm Springs
406-694 Billings
406-695 Frazer
406-696 Billings
406-697 Billings
406-698 Billings
406-699 Hardin
406-702 Billings
406-707 Lewistown
406-708 Lewistown
406-709 Lakeside
406-715 Lame Deer
406-720 Colstrip
406-721 Missoula
406-722 Alberton
406-723 Butte
406-724 Glentana
406-725 Larslan
406-726 Arlee
406-727 Great Falls
406-728 Missoula
406-729 Wilsall
406-730 Whitefish
406-731 Great Falls
406-733 Highwood
406-734 Carter
406-735 Geyser
406-736 Stockett
406-737 Geraldine
406-738 Raynesford
406-739 Loma
406-740 Colstrip
406-741 Hot Springs
406-742 Fairview
406-743 Laurel
406-746 Nashua
406-747 Fairview
406-748 Colstrip
406-749 Colstrip
406-750 Great Falls
406-751 Kalispell
406-752 Kalispell
406-753 Brady
406-754 Condon
406-755 Kalispell
406-756 Kalispell
406-757 Decker
406-758 Kalispell
406-759 Chester
406-760 Great Falls
406-761 Great Falls
406-762 Opheim
406-763 Gallatin Gateway
406-765 Plentywood
406-766 Froid
406-768 Poplar
406-769 Bainville
406-770 Great Falls
406-771 Great Falls
406-772 Plevna
406-773 Richey
406-774 Lambert
406-775 Ekalaka
406-776 Savage
406-777 Stevensville
406-778 Baker
406-780 Columbus
406-781 Great Falls
406-782 Butte
406-784 Ashland
406-786 Brockton
406-787 Culbertson
406-788 Great Falls
406-789 Medicine Lake
406-790 Culbertson
406-791 Great Falls
406-792 Butte
406-793 Ovando
406-794 Billings
406-795 Wibaux
406-796 Wibaux
406-797 Anaconda
406-799 Great Falls
406-800 Bridger
406-802 Hamilton
406-808 Havre
406-812 Laurel
406-813 Belgrade
406-818 Red Lodge
406-820 Olney
406-821 Darby
406-822 Superior
406-823 Livingston
406-825 Clinton
406-826 Plains
406-827 Thompson Falls
406-828 Alzada
406-829 Missoula
406-830 Missoula
406-831 Billings
406-832 Wise River
406-833 Ronan
406-834 Jackson
406-835 Melrose
406-836 Great Falls
406-837 Bigfork
406-838 Cooke City
406-839 Billings
406-841 Helena
406-842 Sheridan
406-843 Virginia City
406-844 Lakeside
406-845 Cut Bank
406-846 Deer Lodge
406-847 Noxon
406-848 Gardiner
406-849 Elmo
406-850 Billings
406-851 Miles City
406-852 Miles City
406-853 Miles City
406-854 Marion
406-855 Billings
406-856 Custer
406-857 Somers
406-858 Kalispell
406-859 Philipsburg
406-860 Billings
406-861 Billings
406-862 Whitefish
406-863 Whitefish
406-865 Dillon
406-866 Great Falls
406-867 Billings
406-868 Great Falls
406-869 Billings
406-870 Great Falls
406-871 Kalispell
406-872 Polson
406-873 Cut Bank
406-874 Miles City
406-875 Pompeys Pillar
406-876 Billings
406-878 Great Falls
406-879 Havre
406-880 Missoula
406-881 Olney
406-883 Polson
406-884 Polson
406-885 Kalispell
406-888 West Glacier
406-890 Kalispell
406-891 Baker
406-892 Columbia Falls
406-893 Peerless
406-894 Billings
406-895 Outlook
406-896 Billings
406-897 Columbia Falls
406-898 Bozeman
406-899 Great Falls
406-905 Joliet
406-913 Roundup
406-914 Lambert
406-916 Helena
406-920 Bozeman
406-922 Bozeman
406-923 Great Falls
406-924 Belgrade
406-925 Dillon
406-926 Missoula
406-927 Billings
406-928 Grass Range
406-929 Hungry Horse
406-930 Big Timber
406-931 Big Timber
406-932 Big Timber
406-933 Helena
406-934 Miles City
406-935 Broadus
406-936 Clyde Park
406-937 Sunburst
406-938 Alzada
406-940 Molt
406-942 Glasgow
406-943 Sidney
406-944 Miles City
406-945 Havre
406-946 Livingston
406-947 Musselshell
406-948 Glendive
406-949 Townsend
406-951 Miles City
406-952 Great Falls
406-953 Hardin
406-954 Roy
406-956 Baker
406-957 Terry
406-960 Dillon
406-961 Hamilton
406-962 Joliet
406-964 Great Falls
406-965 Great Falls
406-966 Shelby
406-967 Worden
406-968 Lewistown
406-969 Billings
406-970 Billings
406-971 Plevna
406-973 Sidney
406-974 Circle
406-975 Ekalaka
406-977 Jordan
406-978 Baker
406-979 Richey
406-980 Townsend
406-983 Ashland
406-984 Birney
406-987 Glendive
406-988 Dillon
406-991 Marion
406-992 Helena
406-993 Big Sky
406-994 Bozeman
406-995 Big Sky
406-996 Helena
406-998 Billings
406-999 Big Sky