Zip Area Code

Fallon County, Montana

Fallon County, Montana, has 3 towns and 3 ZIP codes, in area code 406.

Towns in Fallon County, A to Z

TownZIP codesArea codes
Baker59313406
Plevna59344406
Willard59354406

ZIP codes in Fallon County

Area code in Fallon County

  • Area code 406

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