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 San Joaquin County Address Data
Businesses Addresses: 20,619
PO Box Addresses: 16,800
Residential Addresses: 280,802
Multi-Family Addresses: 29,246
Single Family Addresses: 246,670
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Map of San Joaquin County, CA ZIP Codes With Actual (Default) City Names