Zip Area Code

Musselshell County, Montana

Musselshell County, Montana, has 6 towns and 3 ZIP codes, in area code 406.

Towns in Musselshell County, A to Z

TownZIP codesArea codes
Camp Threenearest59072406
Flat Willow Colonynearest59072406
Kilby Butte Colonynearest59072406
Kleinnearest59072406
Musselshell59059406
Roundup59072, 59073406

ZIP codes in Musselshell County

Area code in Musselshell County

  • Area code 406

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