Zip Area Code

Lake County, Michigan

Lake County, Michigan, has 6 towns and 6 ZIP codes, in area code 231.

Towns in Lake County, A to Z

TownZIP codesArea codes
Baldwin49304231
Branch49402231
Chase49623231
Idlewild49642231
Irons49644231
Luther49656231

ZIP codes in Lake County

Area code in Lake County

  • Area code 231

    In service since June 5, 1999. Local calls are dialed with seven digits; dialing ten digits also works.