< Back to Area Codes
- Exchange 406-201 - Forsyth
- Exchange 406-202 - Helena
- Exchange 406-203 - Missoula
- Exchange 406-204 - Helena
- Exchange 406-205 - Great Falls
- Exchange 406-206 - Billings
- Exchange 406-207 - Missoula
- Exchange 406-208 - Billings
- Exchange 406-209 - Bozeman
- Exchange 406-210 - Helena
- Exchange 406-212 - Kalispell
- Exchange 406-213 - Colstrip
- Exchange 406-214 - Missoula
- Exchange 406-215 - Billings
- Exchange 406-216 - Great Falls
- Exchange 406-217 - Great Falls
- Exchange 406-218 - Missoula
- Exchange 406-219 - Bozeman
- Exchange 406-220 - Livingston
- Exchange 406-221 - Butte
- Exchange 406-222 - Livingston
- Exchange 406-223 - Livingston
- Exchange 406-224 - Livingston
- Exchange 406-225 - Boulder
- Exchange 406-226 - Gast Glacier Park
- Exchange 406-227 - East Helena
- Exchange 406-228 - Glasgow
- Exchange 406-229 - Cut Bank
- Exchange 406-230 - Glasgow
- Exchange 406-231 - Great Falls
- Exchange 406-232 - Miles City
- Exchange 406-233 - Miles City
- Exchange 406-234 - Miles City
- Exchange 406-235 - Wolf Creek
- Exchange 406-236 - Neihart
- Exchange 406-237 - Billings
- Exchange 406-238 - Billings
- Exchange 406-239 - Missoula
- Exchange 406-240 - Missoula
- Exchange 406-241 - Missoula
- Exchange 406-242 - Missoula
- Exchange 406-243 - Missoula
- Exchange 406-244 - Potomac
- Exchange 406-245 - Billings
- Exchange 406-246 - Dixon
- Exchange 406-247 - Billings
- Exchange 406-248 - Billings
- Exchange 406-249 - Kalispell
- Exchange 406-250 - Kalispell
- Exchange 406-251 - Missoula
- Exchange 406-252 - Billings
- Exchange 406-253 - Kalispell
- Exchange 406-254 - Billings
- Exchange 406-255 - Billings
- Exchange 406-256 - Billings
- Exchange 406-257 - Kalispell
- Exchange 406-258 - Milltown
- Exchange 406-259 - Billings
- Exchange 406-260 - Kalispell
- Exchange 406-261 - Kalispell
- Exchange 406-262 - Havre
- Exchange 406-263 - Glasgow
- Exchange 406-264
- Exchange 406-265 - Havre
- Exchange 406-266 - Townsend
- Exchange 406-267 - Divide
- Exchange 406-268 - Great Falls
- Exchange 406-269 - Conrad
- Exchange 406-270 - Kalispell
- Exchange 406-271 - Conrad
- Exchange 406-272 - Billings
- Exchange 406-273 - Lolo
- Exchange 406-274 - Missoula
- Exchange 406-275 - Ronan
- Exchange 406-276 - Lima
- Exchange 406-277 - Belt
- Exchange 406-278 - Conrad
- Exchange 406-279 - Valier
- Exchange 406-280 - Missoula
- Exchange 406-281 - Billings
- Exchange 406-282 - Amsterdam
- Exchange 406-283 - Libby
- Exchange 406-284 - Manhattan
- Exchange 406-285 - Three Forks
- Exchange 406-286 - Reserve
- Exchange 406-287 - Whitehall
- Exchange 406-288 - Drummond
- Exchange 406-289 - Conrad
- Exchange 406-290 - Columbus
- Exchange 406-291 - Libby
- Exchange 406-292 - Joplin
- Exchange 406-293 - Libby
- Exchange 406-294 - Billings
- Exchange 406-295 - Troy
- Exchange 406-296 - Eureka
- Exchange 406-297 - Eureka Rural
- Exchange 406-298 - Columbus
- Exchange 406-299 - Butte
- Exchange 406-301
- Exchange 406-305 - Forsyth
- Exchange 406-310 - Butte
- Exchange 406-312 - Bozeman
- Exchange 406-314 - Kalispell
- Exchange 406-315 - Missoula
- Exchange 406-318
- Exchange 406-319 - Polson
- Exchange 406-320
- Exchange 406-321 - Columbus
- Exchange 406-322 - Columbus
- Exchange 406-323 - Roundup
- Exchange 406-324 - Helena
- Exchange 406-325 - Billings
- Exchange 406-326 - Reedpoint
- Exchange 406-327 - Missoula
- Exchange 406-328 - Absarokee
- Exchange 406-329 - Missoula
- Exchange 406-330
- Exchange 406-331
- Exchange 406-332 - St Ignatius
- Exchange 406-333 - Pray
- Exchange 406-334 - Libby
- Exchange 406-335 - Sweetgrass
- Exchange 406-336 - North Cut Bank
- Exchange 406-337 - Kevin
- Exchange 406-338 - Browning
- Exchange 406-339 - Ethridge
- Exchange 406-340 - Missoula
- Exchange 406-342 - Hysham
- Exchange 406-343 - Wyola
- Exchange 406-345 - Glendive
- Exchange 406-346 - Forsyth
- Exchange 406-347 - Rosebud
- Exchange 406-348 - Huntley
- Exchange 406-349 - Alta
- Exchange 406-350 - Lewistown
- Exchange 406-351 - Forsyth
- Exchange 406-352 - Box Elder
- Exchange 406-353 - Harlem
- Exchange 406-354 - Rock Springs
- Exchange 406-355 - Rudyard
- Exchange 406-356 - Forsyth
- Exchange 406-357 - Chinook
- Exchange 406-358 - Melstone
- Exchange 406-359 - Glendive
- Exchange 406-360 - Hamilton
- Exchange 406-361
- Exchange 406-362 - Lincoln
- Exchange 406-363 - Hamilton
- Exchange 406-364 - Hinsdale
- Exchange 406-365 - Glendive
- Exchange 406-366 - Lewistown
- Exchange 406-367 - North Glasgow
- Exchange 406-368 - Canyon Creek
- Exchange 406-369 - Hamilton
- Exchange 406-370 - Missoula
- Exchange 406-371 - Billings
- Exchange 406-372 - Kremlin
- Exchange 406-373 - Shepherd
- Exchange 406-374 - Moore
- Exchange 406-375 - Hamilton
- Exchange 406-376 - Gildford
- Exchange 406-377 - Glendive
- Exchange 406-378 - Big Sandy
- Exchange 406-379 - Turner
- Exchange 406-380 - Lewistown
- Exchange 406-381 - Hamilton
- Exchange 406-382 - Missoula
- Exchange 406-383 - Dodson
- Exchange 406-384 - Billings
- Exchange 406-385 - Westby
- Exchange 406-386 - Hopp Illiad
- Exchange 406-387 - Hungry Horse
- Exchange 406-388 - Belgrade
- Exchange 406-389 - West Glacier
- Exchange 406-390 - Helena
- Exchange 406-391 - Cut Bank
- Exchange 406-392 - North Wolf Point
- Exchange 406-393 - Somers
- Exchange 406-394 - Simpson Havre
- Exchange 406-395 - South Havre
- Exchange 406-396 - Missoula
- Exchange 406-397 - Hingham
- Exchange 406-398 - North Havre
- Exchange 406-399 - Helena
- Exchange 406-403 - Great Falls
- Exchange 406-407 - Havre
- Exchange 406-410 - Helena
- Exchange 406-415 - Butte
- Exchange 406-417 - Helena
- Exchange 406-420 - Bigfork
- Exchange 406-421 - South Miles City
- Exchange 406-422 - Helena
- Exchange 406-423 - Hobson
- Exchange 406-424 - Shelby
- Exchange 406-425 - Red Lodge
- Exchange 406-426 - Red Lodge
- Exchange 406-427 - Broadus
- Exchange 406-428 - Grass Range
- Exchange 406-429 - Winnett
- Exchange 406-430 - Helena
- Exchange 406-431 - Helena
- Exchange 406-432 - Devon
- Exchange 406-433 - Sidney
- Exchange 406-434 - Shelby
- Exchange 406-435 - Billings
- Exchange 406-436 - Broadus
- Exchange 406-437 - Helena
- Exchange 406-438 - Helena
- Exchange 406-439 - Helena
- Exchange 406-440 - Helena
- Exchange 406-441 - Helena
- Exchange 406-442 - Helena
- Exchange 406-443 - Helena
- Exchange 406-444 - Helena
- Exchange 406-445 - Roberts
- Exchange 406-446 - Red Lodge
- Exchange 406-447 - Helena
- Exchange 406-448 - North Poplar
- Exchange 406-449 - Helena
- Exchange 406-450 - Shelby
- Exchange 406-451 - Bozeman
- Exchange 406-452 - Great Falls
- Exchange 406-453 - Great Falls
- Exchange 406-454 - Great Falls
- Exchange 406-455 - Great Falls
- Exchange 406-456 - South Chester
- Exchange 406-457 - Helena
- Exchange 406-458 - Helena
- Exchange 406-459 - Helena
- Exchange 406-460 - Shelby
- Exchange 406-461 - Helena
- Exchange 406-462 - Winifred
- Exchange 406-463 - Power
- Exchange 406-464 - Roy
- Exchange 406-465 - Helena
- Exchange 406-466 - Choteau
- Exchange 406-467 - Fairfield
- Exchange 406-468 - Cascade
- Exchange 406-469 - Pendroy
- Exchange 406-470 - Shelby
- Exchange 406-471 - Kalispell
- Exchange 406-472 - Dupuyer
- Exchange 406-473 - Judith Gap
- Exchange 406-474 - Flaxville
- Exchange 406-475 - Canyon Ferry
- Exchange 406-476 - Dutton
- Exchange 406-477 - Lame Deer
- Exchange 406-478 - Sidney
- Exchange 406-479 - Butte
- Exchange 406-480 - Sidney
- Exchange 406-482 - Sidney
- Exchange 406-483 - Dagmar
- Exchange 406-484 - Lovell
- Exchange 406-485 - Circle
- Exchange 406-486 - Fallon
- Exchange 406-487 - Scobey
- Exchange 406-488 - Sidney
- Exchange 406-489 - Sidney
- Exchange 406-490 - Butte
- Exchange 406-491 - Butte
- Exchange 406-492 - Avon
- Exchange 406-493 - Missoula
- Exchange 406-494 - Butte
- Exchange 406-495 - Helena
- Exchange 406-496 - Butte
- Exchange 406-497 - Butte
- Exchange 406-498 - Butte
- Exchange 406-499 - Missoula
- Exchange 406-513 - Helena
- Exchange 406-515 - Bozeman
- Exchange 406-520 - Billings
- Exchange 406-521 - Townsend
- Exchange 406-522 - Bozeman
- Exchange 406-523 - Missoula
- Exchange 406-524 - Glasgow A.f.b.
- Exchange 406-525 - South Wolf Point
- Exchange 406-526 - Fort Peck
- Exchange 406-527 - Saco
- Exchange 406-528 - Ronan
- Exchange 406-529 - Missoula
- Exchange 406-530 - Laurel
- Exchange 406-531 - Missoula
- Exchange 406-532 - Missoula
- Exchange 406-533 - Butte
- Exchange 406-534 - Billings
- Exchange 406-535 - Lewistown
- Exchange 406-537 - Melville
- Exchange 406-538 - Lewistown
- Exchange 406-539 - Bozeman
- Exchange 406-540 - Missoula
- Exchange 406-541 - Missoula
- Exchange 406-542 - Missoula
- Exchange 406-543 - Missoula
- Exchange 406-544 - Missoula
- Exchange 406-545 - Billings
- Exchange 406-546 - Missoula
- Exchange 406-547 - White Sulphur…
- Exchange 406-548 - Bozeman
- Exchange 406-549 - Missoula
- Exchange 406-550 - Missoula
- Exchange 406-551 - Bozeman
- Exchange 406-552 - Missoula
- Exchange 406-553 - Missoula
- Exchange 406-554 - North Broadus
- Exchange 406-556 - Bozeman
- Exchange 406-557 - Jordan
- Exchange 406-558 - Helena
- Exchange 406-559 - Anaconda
- Exchange 406-560 - Anaconda
- Exchange 406-561 - Missoula
- Exchange 406-562 - Augusta
- Exchange 406-563 - Anaconda
- Exchange 406-564 - Great Falls
- Exchange 406-565 - Butte
- Exchange 406-566 - Stanford
- Exchange 406-567 - Denton
- Exchange 406-568 - Ryegate
- Exchange 406-569 - Squaw Gap
- Exchange 406-570 - Bozeman
- Exchange 406-571 - Finley Point
- Exchange 406-572 - Martinsdale
- Exchange 406-573 - Missoula
- Exchange 406-574 - Powell
- Exchange 406-575 - Ryegate
- Exchange 406-576 - Conrad
- Exchange 406-577 - Bozeman
- Exchange 406-578 - Wilsall
- Exchange 406-579 - Bozeman
- Exchange 406-580 - Bozeman
- Exchange 406-581 - Bozeman
- Exchange 406-582 - Bozeman
- Exchange 406-583 - Bloomfield
- Exchange 406-584 - Lindsay
- Exchange 406-585 - Bozeman
- Exchange 406-586 - Bozeman
- Exchange 406-587 - Bozeman
- Exchange 406-588 - Carlyle
- Exchange 406-589 - Bozeman
- Exchange 406-590 - Great Falls
- Exchange 406-591 - Billings
- Exchange 406-592 - Busby
- Exchange 406-593 - Butte
- Exchange 406-594 - Helena
- Exchange 406-595 - Bozeman
- Exchange 406-596 - Dillon
- Exchange 406-597 - Shelby
- Exchange 406-598 - Billings
- Exchange 406-599 - Bozeman
- Exchange 406-600 - Bozeman
- Exchange 406-612 - Swan Lake
- Exchange 406-615 - Helena
- Exchange 406-620 - Billings
- Exchange 406-621 - Missoula
- Exchange 406-622 - Fort Benton
- Exchange 406-623 - Hardin
- Exchange 406-624 - Bozeman
- Exchange 406-625 - Stevensville
- Exchange 406-626 - Frenchtown
- Exchange 406-627 - East Conrad
- Exchange 406-628 - Laurel
- Exchange 406-629 - Hardin
- Exchange 406-630 - Sidney
- Exchange 406-631 - Elmo
- Exchange 406-632 - Harlowton
- Exchange 406-633 - Park City
- Exchange 406-634 - Helena
- Exchange 406-635 - Terry
- Exchange 406-636 - Lavina
- Exchange 406-637 - Terry
- Exchange 406-638 - Hardin
- Exchange 406-639 - Lodge Grass
- Exchange 406-640 - West Yellowstone
- Exchange 406-641 - West Yellowstone
- Exchange 406-642 - Victor
- Exchange 406-643 - Dayton
- Exchange 406-644 - Charlo
- Exchange 406-645 - Deer Lodge
- Exchange 406-646 - West Yellowstone
- Exchange 406-647 - Billings
- Exchange 406-648 - North Hinsdale
- Exchange 406-649
- Exchange 406-650 - Wolf Point
- Exchange 406-651 - Billings
- Exchange 406-652 - Billings
- Exchange 406-653 - Wolf Point
- Exchange 406-654 - Malta
- Exchange 406-655 - Billings
- Exchange 406-656 - Billings
- Exchange 406-657 - Billings
- Exchange 406-658 - South Malta
- Exchange 406-659 - Dayton
- Exchange 406-660 - Dillon
- Exchange 406-661 - Billings
- Exchange 406-662 - Bridger
- Exchange 406-663 - Rapelje
- Exchange 406-664 - Belfry
- Exchange 406-665 - Hardin
- Exchange 406-666 - Fort Smith
- Exchange 406-667 - Broadview
- Exchange 406-668 - Fromberg
- Exchange 406-669 - Molt
- Exchange 406-670 - Billings
- Exchange 406-671 - Billings
- Exchange 406-672 - Billings
- Exchange 406-673 - Hays
- Exchange 406-674 - Whitewater
- Exchange 406-675 - Pablo
- Exchange 406-676 - Ronan
- Exchange 406-677 - Seeley Lake
- Exchange 406-678 - Haugan
- Exchange 406-679 - Hardin
- Exchange 406-680 - Malta
- Exchange 406-681 - Grant
- Exchange 406-682 - Ennis
- Exchange 406-683 - Dillon
- Exchange 406-684 - Twin Bridges
- Exchange 406-685 - Harrison
- Exchange 406-686 - Clyde Park
- Exchange 406-687 - Glendive
- Exchange 406-689 - Wisdom
- Exchange 406-690 - Billings
- Exchange 406-691 - Anaconda
- Exchange 406-692 - Yellow Bay
- Exchange 406-693 - Warm Springs
- Exchange 406-694 - Billings
- Exchange 406-695 - Frazer
- Exchange 406-696 - Billings
- Exchange 406-697 - Billings
- Exchange 406-698 - Billings
- Exchange 406-699 - Hardin
- Exchange 406-707 - Lewistown
- Exchange 406-708 - Lewistown
- Exchange 406-709 - Lakeside
- Exchange 406-715 - Great Falls
- Exchange 406-720 - Colstrip
- Exchange 406-721 - Missoula
- Exchange 406-722 - Alberton
- Exchange 406-723 - Butte
- Exchange 406-724 - Glentana
- Exchange 406-725 - Larslan
- Exchange 406-726 - Arlee
- Exchange 406-727 - Great Falls
- Exchange 406-728 - Missoula
- Exchange 406-729 - Forsyth
- Exchange 406-730 - Whitefish
- Exchange 406-731 - Great Falls
- Exchange 406-732 - St Mary
- Exchange 406-733 - Highwood
- Exchange 406-734 - Carter
- Exchange 406-735 - Geyser
- Exchange 406-736 - Stockett Sand…
- Exchange 406-737 - Geraldine
- Exchange 406-738 - Raynesford
- Exchange 406-739 - Loma
- Exchange 406-740 - Colstrip
- Exchange 406-741 - Hot Springs
- Exchange 406-742 - Fairview
- Exchange 406-743 - Laurel
- Exchange 406-745 - St Ignatius
- Exchange 406-746 - Nashua
- Exchange 406-747 - Fairview
- Exchange 406-748 - Colstrip
- Exchange 406-749 - Colstrip
- Exchange 406-750 - Great Falls
- Exchange 406-751 - Kalispell
- Exchange 406-752 - Kalispell
- Exchange 406-753 - Brady
- Exchange 406-754 - Condon
- Exchange 406-755 - Kalispell
- Exchange 406-756 - Kalispell
- Exchange 406-757 - Decker
- Exchange 406-758 - Kalispell
- Exchange 406-759 - Chester
- Exchange 406-760 - Great Falls
- Exchange 406-761 - Great Falls
- Exchange 406-762 - Opheim
- Exchange 406-763 - Gallatin Gateway
- Exchange 406-764 - Frannie
- Exchange 406-765 - Plentywood
- Exchange 406-766 - Froid
- Exchange 406-767 - Hulett
- Exchange 406-768 - Poplar
- Exchange 406-769 - Bainville
- Exchange 406-770 - Great Falls
- Exchange 406-771 - Great Falls
- Exchange 406-772 - Plevna
- Exchange 406-773 - Richey
- Exchange 406-774 - Lambert
- Exchange 406-775 - Ekalaka
- Exchange 406-776 - Savage
- Exchange 406-777 - Stevensville
- Exchange 406-778 - Baker
- Exchange 406-779 - South Flaxville
- Exchange 406-780 - Columbus
- Exchange 406-781 - Great Falls
- Exchange 406-782 - Butte
- Exchange 406-783 - West Scobey
- Exchange 406-784 - Ashland
- Exchange 406-785 - North Nashua
- Exchange 406-786 - Brockton
- Exchange 406-787 - Culbertson
- Exchange 406-788 - Great Falls
- Exchange 406-789 - Medicine Lake
- Exchange 406-790 - Culbertson
- Exchange 406-791 - Great Falls
- Exchange 406-792 - Butte
- Exchange 406-793 - Ovando
- Exchange 406-794 - Billings
- Exchange 406-795 - Wibaux
- Exchange 406-796 - Wibaux
- Exchange 406-797 - Opportunity
- Exchange 406-798 - Sidney
- Exchange 406-799 - Great Falls
- Exchange 406-808 - Havre
- Exchange 406-818 - Red Lodge
- Exchange 406-820 - Olney
- Exchange 406-821 - Darby
- Exchange 406-822 - Superior
- Exchange 406-823 - Livingston
- Exchange 406-824 - Missoula
- Exchange 406-825 - Clinton
- Exchange 406-826 - Plains
- Exchange 406-827 - Thompson Falls
- Exchange 406-828 - Alzada
- Exchange 406-829 - Missoula
- Exchange 406-830 - Missoula
- Exchange 406-831 - Glasgow
- Exchange 406-832 - Wise River
- Exchange 406-833 - Missoula
- Exchange 406-834 - Jackson
- Exchange 406-835 - Melrose
- Exchange 406-836 - Great Falls
- Exchange 406-837 - Bigfork
- Exchange 406-838 - Cooke City
- Exchange 406-839 - Billings
- Exchange 406-840 - Powell
- Exchange 406-841 - Helena
- Exchange 406-842 - Sheridan
- Exchange 406-843 - Virginia City
- Exchange 406-844 - Lakeside
- Exchange 406-845 - Cut Bank
- Exchange 406-846 - Deer Lodge
- Exchange 406-847 - Noxon
- Exchange 406-848 - Gardiner
- Exchange 406-849 - Elmo
- Exchange 406-850 - Billings
- Exchange 406-851 - Miles City
- Exchange 406-852 - Miles City
- Exchange 406-853 - Miles City
- Exchange 406-854 - Marion
- Exchange 406-855 - Billings
- Exchange 406-856 - North Custer
- Exchange 406-857 - Somers
- Exchange 406-858 - Kalispell
- Exchange 406-859 - Philipsburg
- Exchange 406-860 - Billings
- Exchange 406-861 - Billings
- Exchange 406-862 - Whitefish
- Exchange 406-863 - Whitefish
- Exchange 406-864 - Alberton
- Exchange 406-865 - Dillon
- Exchange 406-866 - Ulm
- Exchange 406-867 - Billings
- Exchange 406-868 - Great Falls
- Exchange 406-869 - Billings
- Exchange 406-870 - Great Falls
- Exchange 406-871 - Kalispell
- Exchange 406-872 - Polson
- Exchange 406-873 - Cut Bank
- Exchange 406-874 - Miles City
- Exchange 406-875 - Worden
- Exchange 406-877 - Beach
- Exchange 406-880 - Missoula
- Exchange 406-881 - Olney
- Exchange 406-882 - Eureka Rural
- Exchange 406-883 - Polson
- Exchange 406-884 - Polson
- Exchange 406-885 - Kalispell
- Exchange 406-886 - Swan Lake
- Exchange 406-887 - Finley Point
- Exchange 406-888 - West Glacier
- Exchange 406-889 - Eureka Rural
- Exchange 406-890 - Kalispell
- Exchange 406-891 - Baker
- Exchange 406-892 - Columbia Falls
- Exchange 406-893 - Peerless
- Exchange 406-894 - Billings
- Exchange 406-895 - Outlook
- Exchange 406-896 - Billings
- Exchange 406-897 - Columbia Falls
- Exchange 406-898 - Bozeman
- Exchange 406-899 - Great Falls
- Exchange 406-914
- Exchange 406-915
- Exchange 406-920 - Bozeman
- Exchange 406-922 - Bozeman
- Exchange 406-923 - Great Falls
- Exchange 406-924 - Belgrade
- Exchange 406-925 - Dillon
- Exchange 406-928
- Exchange 406-929 - Hungry Horse
- Exchange 406-930
- Exchange 406-931
- Exchange 406-932 - Big Timber
- Exchange 406-933 - Clancy
- Exchange 406-934 - Miles City
- Exchange 406-935 - Broadus
- Exchange 406-936 - Billings
- Exchange 406-937 - Sunburst
- Exchange 406-938 - Alzada
- Exchange 406-939
- Exchange 406-941
- Exchange 406-943 - Sidney
- Exchange 406-944 - Miles City
- Exchange 406-945 - Havre
- Exchange 406-946 - Livingston
- Exchange 406-947 - Musselshell
- Exchange 406-948 - Glendive
- Exchange 406-949 - Townsend
- Exchange 406-951 - Miles City
- Exchange 406-952 - Great Falls
- Exchange 406-953 - Hardin
- Exchange 406-954 - Roy
- Exchange 406-957 - Terry
- Exchange 406-960 - Dillon
- Exchange 406-961 - Corvallis
- Exchange 406-962 - Joliet
- Exchange 406-963 - Froid
- Exchange 406-964 - Vaughn
- Exchange 406-965 - Vaughn
- Exchange 406-966 - Shelby
- Exchange 406-967 - Worden
- Exchange 406-968 - Lewistown
- Exchange 406-971 - Plevna
- Exchange 406-972 - Camp Crook
- Exchange 406-973 - Sidney
- Exchange 406-974 - Circle
- Exchange 406-975 - Ekalaka
- Exchange 406-977 - Jordan
- Exchange 406-978 - Baker
- Exchange 406-979 - Richey
- Exchange 406-980 - Townsend
- Exchange 406-981 - South Miles City
- Exchange 406-982 - Yellow Bay
- Exchange 406-983 - Ashland
- Exchange 406-984 - Birney
- Exchange 406-987 - Glendive
- Exchange 406-988 - Dillon
- Exchange 406-989 - West Glendive
- Exchange 406-991 - Marion
- Exchange 406-992 - Helena
- Exchange 406-993
- Exchange 406-994 - Bozeman
- Exchange 406-995 - Big Sky
- Exchange 406-997 - Great Falls
- Exchange 406-999