ZIP Code 94553 is located in the county of Contra Costa in the state of California. 94553 ZIP Code is spread between the coordinates of +37.9943038 Latitude and -122.10625586 Longitude. 94553 ZIP Code is part of the 925 area code. There are 3 postal offices in zip code 94553.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 94553. 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.