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: 2,231
PO Box Addresses: 2,289
Residential Addresses: 21,196
Multi-Family Addresses: 1,373
Single Family Addresses: 19,823
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Map of Sioux County, IA ZIP Codes With Actual (Default) City Names
