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 Clayton County Address Data
Businesses Addresses: 923
PO Box Addresses: 3,431
Residential Addresses: 8,764
Multi-Family Addresses: 239
Single Family Addresses: 8,525
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Map of Clayton County, IA ZIP Codes With Actual (Default) City Names