ZIP Code 94603 is located in the county of Alameda in the state of California. 94603 ZIP Code is spread between the coordinates of +37.7407922 Latitude and -122.17230029 Longitude. 94603 ZIP Code is part of the 510 area code. There is 1 postal office in zip code 94603.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 94603. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.