Zip Area Code

Garfield County, Montana

Garfield County, Montana, has 6 towns and 6 ZIP codes, in area code 406.

Towns in Garfield County, A to Z

TownZIP codesArea codes
Angela59312406
Brusett59318406
Cohagen59322406
Jordan59337406
Mosby59058406
Sand Springs59077406

ZIP codes in Garfield County

Area code in Garfield County

  • Area code 406

    In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.