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 Sonoma County Address Data
Businesses Addresses: 21,460
PO Box Addresses: 20,952
Residential Addresses: 204,136
Multi-Family Addresses: 22,616
Single Family Addresses: 174,615
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Map of Sonoma County, CA ZIP Codes With Actual (Default) City Names