Zip Area Code

Sioux County, Iowa

Sioux County, Iowa, has 16 towns and 13 ZIP codes, in area code 712.

Towns in Sioux County, A to Z

TownZIP codesArea codes
Alton51003712
Boyden51234712
Chatsworth51011712
Craignearest51027712
Hawarden51023712
Hospers51238712
Hull51239712
Ireton51027712
Matlock51244712
Maurice51036712
Orangenearest51003, 51041712
Orange City51041712
Rock Valley51247712
Sheldon51201712
Sioux Center51250712
Strublenearest51036712

ZIP codes in Sioux County

Area code in Sioux County

  • Area code 712

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