Below is a list of Barstow CA zip codes. For your research we have also included Barstow Area Code, Time Zone, UTC and the local San Bernardino County FIPS Code. Each Barstow California zip code has a center Longitude / Latitude point (the Barstow center is -117.035 / 34.887). For your convenience we have also indicated if that zip code in Barstow observes Daylight Savings time. For more information on Barstow California you will find helpful business links and searches.