ZIP Codes

Browse ZIP Codes associated with Alameda County, California, and the city or community names listed in the California Volunteers directory. Entries are arranged in numerical order. ZIP Codes do not necessarily follow city or county boundaries.

ZIP Code Directory

ZIP Code	City / Community
94501	Alameda
94502	Alameda
94536	Fremont
94537	Fremont
94538	Fremont
94539	Fremont
94540	Hayward
94541	Hayward
94542	Hayward
94543	Hayward
94544	Hayward
94545	Hayward
94546	Castro Valley
94550	Livermore
94551	Livermore
94552	Castro Valley
94555	Fremont
94557	Hayward
94560	Newark
94566	Pleasanton
94568	Dublin
94577	San Leandro
94578	San Leandro
94579	San Leandro
94580	San Lorenzo
94586	Sunol
94587	Union City
94588	Pleasanton
94601	Oakland
94602	Oakland
94603	Oakland
94604	Oakland
94605	Oakland
94606	Oakland
94607	Oakland
94608	Emeryville
94609	Oakland
94610	Oakland
94611	Oakland
94612	Oakland
94613	Oakland
94614	Oakland
94615	Oakland
94617	Oakland
94618	Oakland
94619	Oakland
94620	Piedmont
94621	Oakland
94622	Oakland
94623	Oakland
94624	Oakland
94649	Oakland
94659	Oakland
94660	Oakland
94661	Oakland
94662	Emeryville
94666	Oakland
94701	Berkeley
94702	Berkeley
94703	Berkeley
94704	Berkeley
94705	Berkeley
94706	Albany
94707	Berkeley
94708	Berkeley
94709	Berkeley
94710	Berkeley
94712	Berkeley
94720	Berkeley

Source: California Volunteers ZIP Code and county directory. City and community names follow that directory. Some ZIP Codes are used for PO Boxes or specific organizations, and alternate names are not included.

For a specific mailing address, confirm the street address, mailing city, and ZIP Code using the USPS ZIP Code Lookup.