ZIP Code 94596 is located in the county of Contra Costa in the state of California. 94596 ZIP Code is spread between the coordinates of +37.8921140 Latitude and -122.04720234 Longitude. 94596 ZIP Code is part of the 510, 707, 925 area code. There are 2 postal offices in zip code 94596.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 94596. 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.