Zip Area Code

Old Agency, Montana

No ZIP code carries the name of Old Agency, Montana, in Sanders County; the nearest ZIP code is 59831, in area code 406.

Nearest ZIP
59831
Area code
406
State
Montana
Time zone
Mountain Time
Coordinates
47.3252, -114.2975

Nearest ZIP codes to Old Agency

This is the ZIP code nearest to Old Agency, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
59831DixonSanders County406

Area code for Old Agency

  • Area code 406

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

Time zone

Old Agency is in the Mountain Time zone.

Towns near Old Agency