Antioch,_California | populationTotal | 102372 Antioch,_California | postalCode | 94509, 94531 Antioch,_California | utcOffset | "-8" Antioch,_California | areaCode | 925 Antioch,_California | areaTotal | 75.324 (square kilometres)
Antioch, California has postal codes 94509 and 94531, a population of 102372, an area code of 925 and a total area of 75.324 square km. The UTC offset for Antioch, California is -8.