Zip Area Code

Plymouth County, Iowa

Plymouth County, Iowa, has 10 towns and 11 ZIP codes, in area code 712.

Towns in Plymouth County, A to Z

TownZIP codesArea codes
Akron51001712
Brunsville51008712
Hinton51024712
Kingsley51028712
Le Mars51031712
Merrill51038712
Oyens51045712
Remsen51050712
Sioux City51101, 51102, 51103, 51104, 51105, 51106 and more712
Westfield51062712

ZIP codes in Plymouth County

Area code in Plymouth County

  • Area code 712

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