Below is a list of Bonsall CA zip codes. For your research we have also included Bonsall Area Code, Time Zone, UTC and the local San Diego County FIPS Code. Each Bonsall California zip code has a center Longitude / Latitude point (the Bonsall center is -117.193 / 33.2842). For your convenience we have also indicated if that zip code in Bonsall observes Daylight Savings time. For more information on Bonsall California you will find helpful business links and searches.