California Postal Codes
California, United States · 2,593 ZIP codes · 58 counties
Regions
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Interactive map of zip codes in California. Just click on the location you desire for a postal code/address for your mails destination.
How to find a ZIP Code in California
Not having the right zip code for your postal mail would mean your letters will not reach their destination. Click the location on the map to find your needed postal code or choose the county in the links above for a list of the zip codes available in California.
California Postal Code Information
About California Postal Codes
California uses the US 5-digit ZIP code system to help deliver mail efficiently. Our database covers 2,593 ZIP codes across 58 counties in California. The largest counties by ZIP-code volume include Alameda, Alpine, Amador. Use our lookup tool to find the correct postal code for any address in California.
For example, Alameda in Alameda County is recorded with the ZIP code 94501. Every county in the list above links to its places and ZIP codes.
How to Use
1. Choose a county from the Regions list above
2. Click the location on the map for a postal code
3. Or use the search box at the top of the page
4. View the exact delivery area on the map
Frequently Asked Questions about California ZIP Codes
How do I find a ZIP code in California?
Choose a county from the Regions list above to see all its places and ZIP codes, or click any location on the interactive map to get the postal code and full address for that point.
How many ZIP codes are there in California?
Our database contains 2,593 ZIP codes across 58 counties in California, sourced from GeoNames.org and OpenStreetMap.
What is the ZIP code format in California?
ZIP codes in California follow the standard US 5-digit numeric format (or 9 digits with ZIP+4). The first digit represents a group of states.
