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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
406-421 Miles City, MT Custer Landline
406-422 Helena, MT Lewis And Clark Landline
406-423 Hobson, MT Judith Basin Landline
406-424 Great Falls, MT Cascade Landline
406-425 Red Lodge, MT Carbon Cell Number
406-426 Red Lodge, MT Carbon Cell Number
406-427 Broadus, MT Powder River Landline
406-428 Grass Range, MT Fergus Landline
406-429 Winnett, MT Petroleum Landline
406-430 Helena, MT Lewis And Clark Landline
406-431 Helena, MT Lewis And Clark Cell Number
406-432 Galata, MT Toole Landline
406-433 Sidney, MT Richland Landline
406-434 Shelby, MT Toole Landline
406-435 Billings, MT Yellowstone Landline
406-436 Broadus, MT Powder River Landline
406-437 Helena, MT Lewis And Clark Landline
406-438 Helena, MT Lewis And Clark Cell Number
406-439 Helena, MT Lewis And Clark Cell Number
406-440 Helena, MT Lewis And Clark 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.

If you want to get more informatons of the areacode, Input an areacode into the above search area, get what you want.