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: 926
PO Box Addresses: 3,401
Residential Addresses: 8,728
Multi-Family Addresses: 238
Single Family Addresses: 8,490
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Map of Clayton County, IA ZIP Codes With Actual (Default) City Names