ZIP Code 94538 is located in the county of Alameda in the state of California. 94538 ZIP Code is spread between the coordinates of +37.5335240 Latitude and -121.97196810 Longitude. 94538 ZIP Code is part of the 408, 510, 650, 669, 925 area code. There are 0 postal offices in zip code 94538.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 94538. 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.