Zip Area Code

Big Horn County, Montana

Big Horn County, Montana, has 13 towns and 11 ZIP codes, in area code 406.

Towns in Big Horn County, A to Z

TownZIP codesArea codes
Busby59016406
Crow Agency59022406
Decker59025406
Fort Smith59035406
Forty Mile Colonynearest59050406
Garryowen59031406
Hardin59034406
Lodge Grass59050406
Pompeys Pillar59064406
Pryor59066406
Saint Xavier59075406
St. Xaviernearest59075406
Wyola59089406

ZIP codes in Big Horn County

Area code in Big Horn County

  • Area code 406

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