Zip Codes. Within City of Antioch. City of Antioch GIS. April 2018. : ANT94509. ANT94531. 0. 0.35. 0.7. 1.05. 1.4. 0.175. Miles. Contra Costa County.

Interactive and printable 94509 ZIP code maps, population demographics, Antioch CA real estate costs, rental prices, and home values.

94509 · Antioch · Contra Costa County ; 94531 · Antioch · Contra Costa County.

94509 & 94531 are the only ZIP Codes for Antioch, CA. Enter an Address to find the ZIP+4. The four extra digits are added after a hyphen.

Antioch is the third-most populous city in Contra Costa County, California, United States. The city is located in the East Bay region of the San Francisco Bay ...

City of Antioch, CA covers 3 Area Codes: 408 Area Code, 510 Area Code, 925 Area Code. City of Antioch, CA covers 2 Zip Codes: 94509 Zip Code, 94531 Zip Code.

Antioch, CA has 2 differents ZIP Codes. You must load the map to find your address and your ZIP Code.

Zip Code List City - Antioch, california ; 94509 · Antioch · Contra Costa County ; 94531 · Antioch · Contra Costa County.

Location and Demographics for Antioch CA ZIP Code 94509, Contra Costa County.

Interactive and printable 94531 ZIP code maps, population demographics, Antioch CA real estate costs, rental prices, and home values.