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 Alameda County Address Data
Businesses Addresses: 60,951
PO Box Addresses: 20,491
Residential Addresses: 646,365
Multi-Family Addresses: 189,289
Single Family Addresses: 451,658
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Map of Alameda County, CA ZIP Codes With Actual (Default) City Names