Zip Area Code

Cass County, Iowa

Cass County, Iowa, has 8 towns and 8 ZIP codes, in area code 712.

Towns in Cass County, A to Z

TownZIP codesArea codes
Anita50020712
Atlantic50022712
Cumberland50843712
Griswold51535712
Lewis51544712
Marne51552712
Massena50853712
Wiota50274712

ZIP codes in Cass County

Area code in Cass County

  • Area code 712

    In service since 1947. Local calls are dialed with seven digits.