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
406-200 Billings, MT Yellowstone Landline
406-201 Rosebud, MT Rosebud Cell Number
406-202 Helena, MT Lewis And Clark Cell Number
406-203 Missoula, MT Missoula Landline
406-204 Helena, MT Lewis And Clark Landline
406-205 Great Falls, MT Cascade Landline
406-206 Billings, MT Yellowstone Landline
406-207 Missoula, MT Missoula Cell Number
406-208 Billings, MT Yellowstone Cell Number
406-209 Bozeman, MT Gallatin Cell Number
406-210 Seeley Lake, MT Missoula Cell Number
406-212 Kalispell, MT Flathead Cell Number
406-213 Rosebud, MT Rosebud Landline
406-214 Missoula, MT Missoula Landline
406-215 Missoula, MT Missoula Landline
406-216 Great Falls, MT Cascade Landline
406-217 Great Falls, MT Cascade Landline
406-218 Missoula, MT Missoula Cell Number
406-219 Bozeman, MT Gallatin Landline
406-220 Livingston, MT Park Cell Number
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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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