Below is a list of Onyx CA zip codes. For your research we have also included Onyx Area Code, Time Zone, UTC and the local Kern County FIPS Code. Each Onyx California zip code has a center Longitude / Latitude point (the Onyx center is -118.22299957275 / 35.693199157715). For your convenience we have also indicated if that zip code in Onyx observes Daylight Savings time.