ZIP Code 94623 is located in the county of Alameda in the state of California. 94623 ZIP Code is spread between the coordinates of +37.8 Latitude and -122.29 Longitude. 94623 ZIP Code is part of the 510 area code. There are 0 postal offices in zip code 94623.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 94623. 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.