Below is a list of San Joaquin CA zip codes. For your research we have also included San Joaquin Area Code, Time Zone, UTC and the local Fresno County FIPS Code. Each San Joaquin California zip code has a center Longitude / Latitude point (the San Joaquin center is -120.18900299072 / 36.607398986816). For your convenience we have also indicated if that zip code in San Joaquin observes Daylight Savings time.