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 Jefferson County Address Data
Businesses Addresses: 7,328
PO Box Addresses: 2,884
Residential Addresses: 123,114
Multi-Family Addresses: 3,258
Single Family Addresses: 119,706
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Map of Jefferson County, MO ZIP Codes With Actual (Default) City Names
