Area Code 406 - Billings, MT

Below is the information for Area Code 406
General Information for Area Code 406
Country United States
State/Province Montana
Major City Billings
Time Zone Mountain (UTC-07:00)

Phone directory of numbers beginning with Area Code 406 Prefixes

Prefix Primary City County Phone Type
406-327 Missoula, MT Missoula Landline
406-328 Absarokee, MT Stillwater Landline
406-329 Missoula, MT Missoula Landline
406-330 Clinton, MT Missoula Landline
406-331 Roundup, MT Musselshell Cell Number
406-332 Ronan, MT Lake Landline
406-333 Livingston, MT Park Landline
406-334 Libby, MT Lincoln Cell Number
406-335 Sweet Grass, MT Toole Landline
406-336 Cut Bank, MT Glacier Landline
406-337 Sunburst, MT Toole Landline
406-338 Browning, MT Glacier Landline
406-339 Cut Bank, MT Glacier Landline
406-340 Lima, MT Beaverhead Cell Number
406-342 Hysham, MT Treasure Landline
406-343 Wyola, MT Big Horn Landline
406-345 Glendive, MT Dawson Landline
406-346 Forsyth, MT Treasure Landline
406-347 Rosebud, MT Rosebud Landline
406-348 Huntley, MT Yellowstone Landline
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Location Details

Area code is a type of numbering scheme used in telecommunication. It divides the territories of its member countries, the code is a three-digit code. The digits 0 and 1 applied for central office codes. Other digits were applied into geographic areas of the service territory.

  • 200: easily recognizable code (ERC)
  • 201: New Jersey
  • 202: Washington, D.C.
  • 203: Connecticut
  • and so on.

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