Zip Area Code

Big Arm, Montana

Big Arm, Montana, in Lake County, has ZIP code 59910 and area code 406.

ZIP code
59910
Area code
406
State
Montana
Time zone
Mountain Time
Coordinates
47.7952, -114.3020

ZIP codes in Big Arm

ZIP codePost officeCountyArea codes
59910Big ArmLake County406

Area code for Big Arm

  • Area code 406

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

Time zone

Big Arm is in the Mountain Time zone.

Towns near Big Arm