Below is a list of Oak Glen CA zip codes. For your research we have also included Oak Glen Area Code, Time Zone, UTC and the local San Bernardino County FIPS Code. Each Oak Glen California zip code has a center Longitude / Latitude point (the Oak Glen center is -117.04000091553 / 34.033798217773). For your convenience we have also indicated if that zip code in Oak Glen observes Daylight Savings time.