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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) 200- Montana Billings Landline Teleport Communications America - Mt - LLC
(406) 201- Montana Rosebud Wireless New Cingular Wireless PCS
(406) 202- Montana Helena Wireless New Cingular Wireless PCS
(406) 203- Montana Missoula Landline Level 3 Communications
(406) 204- Montana Helena Landline Level 3 Communications
(406) 205- Montana Great Falls Landline Level 3 Communications
(406) 206- Montana Billings Landline Level 3 Communications
(406) 207- Montana Missoula Wireless New Cingular Wireless PCS
(406) 208- Montana Billings Wireless New Cingular Wireless PCS
(406) 209- Montana Bozeman Wireless New Cingular Wireless PCS
(406) 210- Montana Seeley Lake Wireless Cellco Partnership DBA Verizon Wireless
(406) 212- Montana Kalispell Wireless New Cingular Wireless PCS
(406) 213- Montana Rosebud Landline Level 3 Communications
(406) 214- Montana Missoula Landline Cellco Partnership DBA Verizon Wireless
(406) 215- Montana Missoula Landline Eltopia Communications
(406) 216- Montana Great Falls Landline 3 Rivers Telephone Cooperative
(406) 217- Montana Great Falls Landline AT&T Local
(406) 218- Montana Missoula Wireless Sprint Spectrum L.p.- Mt
(406) 219- Montana Bozeman Landline AT&T Local
(406) 220- Montana Livingston Wireless New Cingular Wireless PCS
(406) 221- Montana Butte Landline AT&T Local
(406) 222- Montana Livingston Landline Qwest Corporation
(406) 223- Montana Livingston Wireless Cellco Partnership DBA Verizon Wireless
(406) 224- Montana Livingston Wireless Cellco Partnership DBA Verizon Wireless
(406) 225- Montana Boulder Landline Qwest Corporation
(406) 226- Montana Essex Landline Qwest Corporation
(406) 227- Montana East Helena Landline Qwest Corporation
(406) 228- Montana Glasgow Landline Nemont Telephone Cooperative
(406) 229- Montana Livingston Wireless New Cingular Wireless PCS
(406) 230- Montana Glasgow Wireless Cellco Partnership DBA Verizon Wireless
(406) 231- Montana Great Falls Wireless New Cingular Wireless PCS
(406) 232- Montana Miles City Landline Qwest Corporation
(406) 233- Montana Miles City Landline Qwest Corporation
(406) 234- Montana Miles City Landline Mid-rivers Telephone Cooperative
(406) 235- Montana Wolf Creek Landline Qwest Corporation
(406) 236- Montana Neihart Landline 3 Rivers Telephone Cooperative
(406) 237- Montana Billings Landline Qwest Corporation
(406) 238- Montana Billings Landline Qwest Corporation
(406) 239- Montana Missoula Wireless New Cingular Wireless PCS
(406) 240- Montana Missoula Wireless New Cingular Wireless PCS
(406) 241- Montana Missoula Wireless New Cingular Wireless PCS
(406) 242- Montana Thompson Falls Wireless New Cingular Wireless PCS
(406) 243- Montana Missoula Landline Qwest Corporation
(406) 244- Montana Potomac Landline Blackfoot Telephone Cooperative
(406) 245- Montana Billings Landline Qwest Corporation
(406) 246- Montana Dixon Landline Blackfoot Telephone Cooperative
(406) 247- Montana Billings Landline Qwest Corporation
(406) 248- Montana Billings Landline Qwest Corporation
(406) 249- Montana Kalispell Wireless Cellco Partnership DBA Verizon Wireless
(406) 250- Montana Kalispell Wireless Cellco Partnership DBA Verizon Wireless
(406) 251- Montana Missoula Landline Qwest Corporation
(406) 252- Montana Billings Landline Qwest Corporation
(406) 253- Montana Kalispell Wireless New Cingular Wireless PCS
(406) 254- Montana Billings Landline Qwest Corporation
(406) 255- Montana Billings Landline Qwest Corporation
(406) 256- Montana Billings Landline Qwest Corporation
(406) 257- Montana Kalispell Landline Centurytel Of Montana DBA Centurylink
(406) 258- Montana Missoula Landline Qwest Corporation
(406) 259- Montana Billings Landline Qwest Corporation
(406) 260- Montana Kalispell Wireless New Cingular Wireless PCS
(406) 261- Montana Kalispell Wireless New Cingular Wireless PCS
(406) 262- Montana Havre Landline Qwest Corporation
(406) 263- Montana Glasgow Landline Sagebrush Cellular
(406) 264- Montana Fort Shaw Landline 3 Rivers Telephone Cooperative
(406) 265- Montana Havre Landline Qwest Corporation
(406) 266- Montana Townsend Landline Qwest Corporation
(406) 267- Montana Divide Landline Southern Montana Telephone Co.
(406) 268- Montana Great Falls Landline Qwest Corporation
(406) 269- Montana St Regis Wireless New Cingular Wireless PCS
(406) 270- Montana Kalispell Wireless Cellco Partnership DBA Verizon Wireless
(406) 271- Montana Conrad Landline 3 Rivers Telephone Cooperative
(406) 272- Montana Billings Landline Zayo Group LLC
(406) 273- Montana Lolo Landline Qwest Corporation
(406) 274- Montana Missoula Landline AT&T Local
(406) 275- Montana Ronan Landline Ronan Telephone Co.
(406) 276- Montana Lima Landline 3 Rivers Telephone Cooperative
(406) 277- Montana Belt Landline 3 Rivers Telephone Cooperative
(406) 278- Montana Conrad Landline Qwest Corporation
(406) 279- Montana Valier Landline 3 Rivers Telephone Cooperative
(406) 280- Montana St Regis Wireless New Cingular Wireless PCS
(406) 281- Montana Billings Landline AT&T Local
(406) 282- Montana Manhattan Landline Qwest Corporation
(406) 283- Montana Libby Landline Citizens Telecom Co Of Mt-frontier Comm Of Mt
(406) 284- Montana Manhattan Landline Qwest Corporation
(406) 285- Montana Three Forks Landline Qwest Corporation
(406) 286- Montana Medicine Lake Landline Nemont Telephone Cooperative
(406) 287- Montana Whitehall Landline Qwest Corporation
(406) 288- Montana Drummond Landline Blackfoot Telephone Cooperative
(406) 289- Montana Conrad Wireless New Cingular Wireless PCS
(406) 290- Montana Columbus Landline Zayo Group LLC
(406) 291- Montana Libby Wireless Cellco Partnership DBA Verizon Wireless
(406) 292- Montana Joplin Landline Triangle Telephone Cooperative Assn.
(406) 293- Montana Libby Landline Citizens Telecom Co Of Mt-frontier Comm Of Mt
(406) 294- Montana Billings Landline One Eighty Communications
(406) 295- Montana Troy Landline Citizens Telecom Co Of Mt-frontier Comm Of Mt
(406) 296- Montana Eureka Landline Citizens Telecom Co Of Mt-frontier Comm Of Mt
(406) 297- Montana Eureka Landline Interbel Telephone Cooperative
(406) 298- Montana Columbus Wireless Cellco Partnership DBA Verizon Wireless
(406) 299- Montana Butte Landline Level 3 Communications
(406) 300- Montana Kalispell Landline Bresnan Broadband Of Montana