Zip Area Code

Powder River County, Montana

Powder River County, Montana, has 7 towns and 7 ZIP codes, in area code 406.

Towns in Powder River County, A to Z

TownZIP codesArea codes
Ashland59003, 59004406
Biddle59314406
Boyes59316406
Broadus59317406
Olive59343406
Otter59062406
Volborg59351406

ZIP codes in Powder River County

Area code in Powder River County

  • Area code 406

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