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 Saint Clair County Address Data
Businesses Addresses: 979
PO Box Addresses: 1,119
Residential Addresses: 12,546
Multi-Family Addresses: 87
Single Family Addresses: 12,448
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Map of Saint Clair County, MO ZIP Codes With Actual (Default) City Names