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Area Code 406

Browse available prefixes, locations, carriers, and quick path links into deeper phone number pages for this area code. Area-code research is one of the most important parts of reverse phone lookup because it gives visitors a geographic starting point before they inspect a full number.

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200Prefixes Listed
MontanaLocation
United StatesCountry
406Area Code
Area Code Overview
Area Code406
Primary LocationMontana
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 406
406-200
Billings
Tc Systems Inc. - Mt
Landline
406-201
Billings
New Cingular Wireless Pcs Llc
Wireless
406-202
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-203
Missoula
Level 3 Communications Llc - Mt
Landline
406-204
Missoula
Level 3 Communications Llc - Mt
Landline
406-205
Missoula
Level 3 Communications Llc - Mt
Landline
406-206
Billings
Level 3 Communications Llc - Mt
Landline
406-207
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-208
Billings
New Cingular Wireless Pcs Llc
Wireless
406-209
Billings
New Cingular Wireless Pcs Llc
Wireless
406-210
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-212
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-213
Billings
Level 3 Communications Llc - Mt
Landline
406-214
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-215
Helena
Eltopia Communications Llc - Mt
Landline
406-216
Great Falls
3 Rivers Telephone Cooperative Inc. - Mt
Landline
406-217
Helena
At&t Local
Landline
406-218
Helena
Sprint Spectrum L.p.- Mt
Wireless
406-219
Billings
At&t Local
Landline
406-220
Billings
New Cingular Wireless Pcs Llc
Wireless
406-221
Helena
At&t Local
Landline
406-222
Livingston
Qwest Corporation
Landline
406-223
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-224
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-225
Boulder
Qwest Corporation
Landline
406-226
East Glacier Park
Qwest Corporation
Landline
406-227
East Helena
Qwest Corporation
Landline
406-228
Glasgow
Nemont Telephone Cooperative Inc.
Landline
406-229
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-230
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-231
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-232
Miles City
Qwest Corporation
Landline
406-233
Miles City
Qwest Corporation
Landline
406-234
Miles City
Mid-rivers Telephone Cooperative Inc.
Landline
406-235
Wolf Creek
Qwest Corporation
Landline
406-236
Neihart
3 Rivers Telephone Cooperative Inc.
Landline
406-237
Billings
Qwest Corporation
Landline
406-238
Billings
Qwest Corporation
Landline
406-239
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-240
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-241
Helena
New Cingular Wireless Pcs Llc
Wireless
406-242
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-243
Missoula
Qwest Corporation
Landline
406-244
Clinton
Blackfoot Telephone Cooperative Inc.
Landline
406-245
Billings
Qwest Corporation
Landline
406-246
Clinton
Blackfoot Telephone Cooperative Inc.
Landline
406-247
Billings
Qwest Corporation
Landline
406-248
Billings
Qwest Corporation
Landline
406-249
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-250
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-251
Missoula
Qwest Corporation
Landline
406-252
Billings
Qwest Corporation
Landline
406-253
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-254
Billings
Qwest Corporation
Landline
406-255
Billings
Qwest Corporation
Landline
406-256
Billings
Qwest Corporation
Landline
406-257
Kalispell
Centurytel Of Montana Inc. Dba Centurylink
Landline
406-258
Milltown
Qwest Corporation
Landline
406-259
Billings
Qwest Corporation
Landline
406-260
Helena
New Cingular Wireless Pcs Llc
Wireless
406-261
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-262
Havre
Qwest Corporation
Landline
406-263
Glasgow
Sagebrush Cellular Inc.
Landline
406-264
Fort Shaw
3 Rivers Telephone Cooperative Inc.
Landline
406-265
Havre
Qwest Corporation
Landline
406-266
Townsend
Qwest Corporation
Landline
406-267
Wisdom
Southern Montana Telephone Co.
Landline
406-268
Great Falls
Qwest Corporation
Landline
406-269
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-270
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-271
Baxter
3 Rivers Telephone Cooperative Inc. - Mt
Landline
406-272
Billings
360networks (usa) Inc. - Mt
Landline
406-273
Lolo
Qwest Corporation
Landline
406-274
Helena
At&t Local
Landline
406-275
Ronan
Ronan Telephone Co.
Landline
406-276
Lima
3 Rivers Telephone Cooperative Inc.
Landline
406-277
Belt
3 Rivers Telephone Cooperative Inc.
Landline
406-278
Conrad
Qwest Corporation
Landline
406-279
Valier
3 Rivers Telephone Cooperative Inc.
Landline
406-280
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-281
Billings
At&t Local
Landline
406-282
Manhattan
Qwest Corporation
Landline
406-283
Libby
Citizens Telecom Co Of Mt-frontier Comm Of Mt
Landline
406-284
Manhattan
Qwest Corporation
Landline
406-285
Three Forks
Qwest Corporation
Landline
406-286
Reserve
Nemont Telephone Cooperative Inc.
Landline
406-287
Whitehall
Qwest Corporation
Landline
406-288
Alberton
Blackfoot Telephone Cooperative Inc.
Landline
406-289
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-290
Billings
360networks (usa) Inc. - Mt
Landline
406-291
Libby
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-292
Joplin
Triangle Telephone Cooperative Assn. Inc.
Landline
406-293
Libby
Citizens Telecom Co Of Mt-frontier Comm Of Mt
Landline
406-294
Billings
One Eighty Communications Inc. - Mt
Landline
406-295
Troy
Citizens Telecom Co Of Mt-frontier Comm Of Mt
Landline
406-296
Eureka
Citizens Telecom Co Of Mt-frontier Comm Of Mt
Landline
406-297
Eureka
Interbel Telephone Cooperative Inc. - Mt
Landline
406-298
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-299
Missoula
Level 3 Communications Llc - Mt
Landline
406-301
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-302
Helena
360networks (usa) Inc. - Mt
Landline
406-303
Missoula
Tc Systems Inc. - Mt
Landline
406-305
Billings
New Cingular Wireless Pcs Llc
Wireless
406-309
Helena
Bresnan Broadband Of Montana Llc - Mt
Landline
406-310
Helena
Sprint Spectrum L.p.- Mt
Wireless
406-312
Bozeman
Smart Call Llc
Landline
406-313
Helena
360networks (usa) Inc. - Mt
Landline
406-314
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-315
Great Falls
Bresnan Broadband Of Montana Llc - Mt
Landline
406-317
Helena
Bresnan Broadband Of Montana Llc - Mt
Landline
406-318
Billings
Ymax Communications Corp. - Mt
Landline
406-319
Missoula
Bresnan Broadband Of Montana Llc - Mt
Landline
406-320
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-321
Billings
New Cingular Wireless Pcs Llc
Wireless
406-322
Columbus
Qwest Corporation
Landline
406-323
Roundup
Mid-rivers Telephone Cooperative Inc.
Landline
406-324
Helena
Qwest Corporation
Landline
406-325
Billings
One Eighty Communications Inc. - Mt
Landline
406-326
Reed Point
Triangle Telephone Cooperative Assn. Inc.
Landline
406-327
Missoula
Qwest Corporation
Landline
406-328
Absarokee
Project Telephone Co. Inc.
Landline
406-329
Missoula
Qwest Corporation
Landline
406-330
Missoula
Bresnan Broadband Of Montana Llc - Mt
Landline
406-331
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-332
Missoula
Blackfoot Telephone Cooperative Inc.
Landline
406-333
Pray
Qwest Corporation
Landline
406-334
Coeur d Alene
New Cingular Wireless Pcs Llc
Wireless
406-335
Sunburst
Northern Telephone Cooperative Inc.
Landline
406-336
Sunburst
Northern Telephone Cooperative Inc.
Landline
406-337
Sunburst
Northern Telephone Cooperative Inc.
Landline
406-338
Browning
3 Rivers Telephone Cooperative Inc.
Landline
406-339
Sunburst
Northern Telephone Cooperative Inc.
Landline
406-340
Missoula
Mtpcs Llc
Landline
406-342
Hysham
Range Telephone Cooperative Inc.
Landline
406-343
Wyola
Project Telephone Co. Inc.
Landline
406-345
Glendive
Mid-rivers Telephone Cooperative Inc.
Landline
406-346
Forsyth
Range Telephone Cooperative Inc. - Mt
Landline
406-347
Rosebud
Range Telephone Cooperative Inc.
Landline
406-348
Huntley
Project Telephone Co. Inc.
Landline
406-349
Darby
Blackfoot Telephone Cooperative Inc.
Landline
406-350
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-351
Billings
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-352
Box Elder
Triangle Telephone Cooperative Assn. Inc.
Landline
406-353
Harlem
Central Montana Communications Inc.
Landline
406-354
Angela
Mid-rivers Telephone Cooperative Inc.
Landline
406-355
Rudyard
Triangle Telephone Cooperative Assn. Inc.
Landline
406-356
Forsyth
Qwest Corporation
Landline
406-357
Chinook
Triangle Telephone Cooperative Assn. Inc.
Landline
406-358
Melstone
Mid-rivers Telephone Cooperative Inc.
Landline
406-359
Glendive
Qwest Corporation
Landline
406-360
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-361
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-362
Lincoln
Lincoln Telephone Company Inc.
Landline
406-363
Hamilton
Qwest Corporation
Landline
406-364
Hinsdale
Nemont Telephone Cooperative Inc.
Landline
406-365
Glendive
Qwest Corporation
Landline
406-366
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-367
Glasgow
Nemont Telephone Cooperative Inc.
Landline
406-368
Canyon Creek
Lincoln Telephone Company Inc.
Landline
406-369
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-370
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-371
Billings
Mcimetro Access Transmission Services Llc
Landline
406-372
Kremlin
Triangle Telephone Cooperative Assn. Inc.
Landline
406-373
Shepherd
Qwest Corporation
Landline
406-374
Moore
Central Montana Communications Inc.
Landline
406-375
Hamilton
Qwest Corporation
Landline
406-376
Gildford
Triangle Telephone Cooperative Assn. Inc.
Landline
406-377
Glendive
Mid-rivers Telephone Cooperative Inc.
Landline
406-378
Big Sandy
Triangle Telephone Cooperative Assn. Inc.
Landline
406-379
Turner
Triangle Telephone Cooperative Assn. Inc.
Landline
406-380
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-381
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-382
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-383
Dodson
Central Montana Communications Inc.
Landline
406-384
Billings
One Eighty Communications Inc. - Mt
Landline
406-385
Westby
Nemont Telephone Cooperative Inc.
Landline
406-386
Big Sandy
Triangle Telephone Cooperative Assn. Inc.
Landline
406-387
Hungry Horse
Centurytel Of Montana Inc. Dba Centurylink
Landline
406-388
Belgrade
Qwest Corporation
Landline
406-389
Unknown City
Contact Communications Inc. - Wyoming
Landline
406-390
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-391
Missoula
Mtpcs Llc
Landline
406-392
Wolf Point
Nemont Telephone Cooperative Inc.
Landline
406-393
Helena
Bresnan Broadband Of Montana Llc - Mt
Landline
406-394
Havre
Triangle Telephone Cooperative Assn. Inc.
Landline
406-395
Havre
Triangle Telephone Cooperative Assn. Inc.
Landline
406-396
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-397
Hingham
Triangle Telephone Cooperative Assn. Inc.
Landline
406-398
Havre
Triangle Telephone Cooperative Assn. Inc.
Landline
406-399
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-403
Helena
360networks (usa) Inc. - Mt
Landline
406-404
Billings
Bresnan Broadband Of Montana Llc - Mt
Landline
406-407
Helena
Cellco Partnership Dba Verizon Wireless - Mt
Wireless
406-410
Helena
Sprint Spectrum L.p.- Mt
Wireless
406-414
Bozeman
Qwest Corporation
Landline
406-415
Helena
Bresnan Broadband Of Montana Llc - Mt
Landline
406-417
Missoula
New Cingular Wireless Pcs Llc
Wireless
406-420
Helena
Bresnan Broadband Of Montana Llc - Mt
Landline
406-421
Volborg
Range Telephone Cooperative Inc.
Landline
406-422
Helena
Bresnan Broadband Of Montana Llc - Mt
Landline

Top prefixes in this area code

406-200→406-201→406-202→406-203→406-204→406-205→406-206→406-207→
Why area code pages matter in reverse phone lookup

Area code pages help visitors understand the wider calling region connected to a number. While a full reverse phone lookup page focuses on one specific caller, an area code page shows the bigger picture by grouping prefixes, cities, and carrier patterns under the same first three digits. This makes it easier to spot whether a number appears local, regional, or part of a service area the visitor already recognizes.

For phone directory websites, area code pages also improve browsing. A user can start with a missed call, discover the number's first three digits, and then move into the related area code to see supporting location data and a list of active prefixes. That layered navigation creates a better research experience and gives visitors more confidence when they continue into a specific number page.