94531 ZIP Code Antioch, California – USA
The ZIP code 94531 is assigned to Antioch city, located in the Contra Costa county that is part of the state of California, CA, United States.
94531 zip code map
Postcode location
Antioch California,CA
State of 94531
Check all the California ZIP Code list.
US ZIP Codes
Please check all state’s postal code in the United States.