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 Clinton County Address Data
Businesses Addresses: 2,887
PO Box Addresses: 2,526
Residential Addresses: 37,428
Multi-Family Addresses: 1,060
Single Family Addresses: 36,358
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Map of Clinton County, IL ZIP Codes With Actual (Default) City Names