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NDC: 406

This is the National Destination Code(NDC):406 page list. Its detail is as below.
Area code 406 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the entire state of Montana. Currently, it covers the entire state of Montana, and it overlaps coverage areas with area code .
Prefix State Primary city Usage Carrier
(406) 301- Montana Malta Wireless Cellco Partnership DBA Verizon Wireless
(406) 302- Montana Wolf Creek Landline Zayo Group LLC
(406) 303- Montana Missoula Landline Teleport Communications America - Mt - LLC
(406) 305- Montana White Sulphur Springs Wireless New Cingular Wireless PCS
(406) 309- Montana Kalispell Wireless Bresnan Broadband Of Montana
(406) 310- Montana Butte Wireless Sprint Spectrum L.p.- Mt
(406) 312- Montana Bozeman Landline Smart Call
(406) 313- Montana Boulder Landline Zayo Group LLC
(406) 314- Montana Kalispell Wireless New Cingular Wireless PCS
(406) 315- Montana Great Falls Landline Bresnan Broadband Of Montana
(406) 317- Montana Missoula Landline Bresnan Broadband Of Montana
(406) 318- Montana Ronan Landline Ymax Communications Corp.
(406) 319- Montana Polson Landline Bresnan Broadband Of Montana
(406) 320- Montana Roundup Wireless Cellco Partnership DBA Verizon Wireless
(406) 321- Montana Columbus Wireless New Cingular Wireless PCS
(406) 322- Montana Columbus Landline Qwest Corporation
(406) 323- Montana Roundup Landline Mid-rivers Telephone Cooperative
(406) 324- Montana Helena Landline Qwest Corporation
(406) 325- Montana Billings Landline One Eighty Communications
(406) 326- Montana Reed Point Landline Triangle Telephone Cooperative Assn.
(406) 327- Montana Missoula Landline Qwest Corporation
(406) 328- Montana Absarokee Landline Project Telephone Co.
(406) 329- Montana Missoula Landline Qwest Corporation
(406) 330- Montana Clinton Landline Bresnan Broadband Of Montana
(406) 331- Montana Roundup Wireless Cellco Partnership DBA Verizon Wireless
(406) 332- Montana Ronan Landline Blackfoot Telephone Cooperative
(406) 333- Montana Livingston Landline Qwest Corporation
(406) 334- Montana Libby Wireless New Cingular Wireless PCS
(406) 335- Montana Sweet Grass Landline Northern Telephone Cooperative
(406) 336- Montana Cut Bank Landline Northern Telephone Cooperative
(406) 337- Montana Sunburst Landline Northern Telephone Cooperative
(406) 338- Montana Browning Landline 3 Rivers Telephone Cooperative
(406) 339- Montana Cut Bank Landline Northern Telephone Cooperative
(406) 340- Montana Lima Wireless Mtpcs
(406) 342- Montana Hysham Landline Range Telephone Cooperative
(406) 343- Montana Wyola Landline Project Telephone Co.
(406) 345- Montana Glendive Landline Mid-rivers Telephone Cooperative
(406) 346- Montana Forsyth Landline Range Telephone Cooperative
(406) 347- Montana Rosebud Landline Range Telephone Cooperative
(406) 348- Montana Huntley Landline Project Telephone Co.
(406) 349- Montana Conner Landline Blackfoot Telephone Cooperative
(406) 350- Montana Lewistown Wireless New Cingular Wireless PCS
(406) 351- Montana Forsyth Wireless Cellco Partnership DBA Verizon Wireless
(406) 352- Montana Box Elder Landline Triangle Telephone Cooperative Assn.
(406) 353- Montana Harlem Landline Central Montana Communications
(406) 354- Montana Angela Landline Mid-rivers Telephone Cooperative
(406) 355- Montana Rudyard Landline Triangle Telephone Cooperative Assn.
(406) 356- Montana Forsyth Landline Qwest Corporation
(406) 357- Montana Chinook Landline Triangle Telephone Cooperative Assn.
(406) 358- Montana Musselshell Landline Mid-rivers Telephone Cooperative
(406) 359- Montana Glendive Landline Qwest Corporation
(406) 360- Montana Hamilton Wireless Cellco Partnership DBA Verizon Wireless
(406) 361- Montana Hamilton Wireless Cellco Partnership DBA Verizon Wireless
(406) 362- Montana Lincoln Landline Lincoln Telephone Company
(406) 363- Montana Hamilton Landline Qwest Corporation
(406) 364- Montana Hinsdale Landline Nemont Telephone Cooperative
(406) 365- Montana Glendive Landline Qwest Corporation
(406) 366- Montana Lewistown Wireless Cellco Partnership DBA Verizon Wireless
(406) 367- Montana Glasgow Landline Nemont Telephone Cooperative
(406) 368- Montana Canyon Creek Landline Lincoln Telephone Company
(406) 369- Montana Hamilton Wireless New Cingular Wireless PCS
(406) 370- Montana Missoula Wireless Cellco Partnership DBA Verizon Wireless
(406) 371- Montana Billings Landline Mcimetro Access Transmission Services LLC
(406) 372- Montana Kremlin Landline Triangle Telephone Cooperative Assn.
(406) 373- Montana Huntley Landline Qwest Corporation
(406) 374- Montana Moore Landline Central Montana Communications
(406) 375- Montana Hamilton Landline Qwest Corporation
(406) 376- Montana Gildford Landline Triangle Telephone Cooperative Assn.
(406) 377- Montana Glendive Landline Mid-rivers Telephone Cooperative
(406) 378- Montana Big Sandy Landline Triangle Telephone Cooperative Assn.
(406) 379- Montana Turner Landline Triangle Telephone Cooperative Assn.
(406) 380- Montana Lewistown Wireless Cellco Partnership DBA Verizon Wireless
(406) 381- Montana Hamilton Wireless Cellco Partnership DBA Verizon Wireless
(406) 382- Montana Superior Wireless New Cingular Wireless PCS
(406) 383- Montana Dodson Landline Central Montana Communications
(406) 384- Montana Billings Landline One Eighty Communications
(406) 385- Montana Westby Landline Nemont Telephone Cooperative
(406) 386- Montana Big Sandy Landline Triangle Telephone Cooperative Assn.
(406) 387- Montana Columbia Falls Landline Centurytel Of Montana DBA Centurylink
(406) 388- Montana Belgrade Landline Qwest Corporation
(406) 389- Montana Helena Landline Centurylink Communications LLC
(406) 390- Montana Havre Wireless Cellco Partnership DBA Verizon Wireless
(406) 391- Montana Cut Bank Wireless Mtpcs
(406) 392- Montana Frazer Landline Nemont Telephone Cooperative
(406) 393- Montana Somers Landline Bresnan Broadband Of Montana
(406) 394- Montana Havre Landline Triangle Telephone Cooperative Assn.
(406) 395- Montana Havre Landline Triangle Telephone Cooperative Assn.
(406) 396- Montana Missoula Wireless Cellco Partnership DBA Verizon Wireless
(406) 397- Montana Hingham Landline Triangle Telephone Cooperative Assn.
(406) 398- Montana Havre Landline Triangle Telephone Cooperative Assn.
(406) 399- Montana Havre Wireless Cellco Partnership DBA Verizon Wireless
(406) 400- Montana Unknown Montana Sky West LLC
(406) 403- Montana Great Falls Landline Zayo Group LLC
(406) 404- Montana Bozeman Landline Bresnan Broadband Of Montana
(406) 407- Montana Kalispell Wireless Cellco Partnership DBA Verizon Wireless
(406) 410- Montana Helena Wireless Sprint Spectrum L.p.- Mt
(406) 414- Montana Bozeman Landline Qwest Corporation
(406) 415- Montana Deer Lodge Landline Bresnan Broadband Of Montana
(406) 417- Montana Helena Wireless New Cingular Wireless PCS
(406) 420- Montana Bigfork Landline Bresnan Broadband Of Montana