Below is a list of San Anselmo CA zip codes. For your research we have also included San Anselmo Area Code, Time Zone, UTC and the local Marin County FIPS Code. Each San Anselmo California zip code has a center Longitude / Latitude point (the San Anselmo center is -122.56900024414 / 37.982398986816). For your convenience we have also indicated if that zip code in San Anselmo observes Daylight Savings time.