Below is a list of Trona CA zip codes. For your research we have also included Trona Area Code, Time Zone, UTC and the local San Bernardino County FIPS Code. Each Trona California zip code has a center Longitude / Latitude point (the Trona center is -117.37300109863 / 35.762401580811). For your convenience we have also indicated if that zip code in Trona observes Daylight Savings time.