Zip Area Code

Westby, Montana

Westby, Montana, in Sheridan County, has ZIP code 59275 and area code 406.

ZIP code
59275
Area code
406
State
Montana
Time zone
Mountain Time
Coordinates
48.8587, -104.1247

ZIP codes in Westby

ZIP codePost officeCountyArea codes
59275WestbySheridan County406

Area code for Westby

  • Area code 406

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

Time zone

Westby is in the Mountain Time zone.

Towns near Westby