header> Open Interactive Map

ZIP Code 93903

Antioch, Contra Costa County, California (CA) • Standard Postal Code

CA
City
Antioch
County
Contra Costa County
State / Territory
California
Area Code
(310)
Coordinates
34.8200, -112.6800
Timezone
America/Los_Angeles
Est. Population
103,000
Country
United States (US)
View 93903 on Interactive Map → All ZIP Codes in Antioch