Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Sioux County Address Data
Businesses Addresses: 2,217
PO Box Addresses: 2,193
Residential Addresses: 21,903
Multi-Family Addresses: 1,553
Single Family Addresses: 20,350
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Map of Sioux County, IA ZIP Codes With Actual (Default) City Names