Below is a list of Rancho Dominguez CA zip codes. For your research we have also included Rancho Dominguez Area Code, Time Zone, UTC and the local Los Angeles County FIPS Code. Each Rancho Dominguez California zip code has a center Longitude / Latitude point (the Rancho Dominguez center is -118.22399902344 / 33.895999908447). For your convenience we have also indicated if that zip code in Rancho Dominguez observes Daylight Savings time.