Below is a list of Greenbrae CA zip codes. For your research we have also included Greenbrae Area Code, Time Zone, UTC and the local Marin County FIPS Code. Each Greenbrae California zip code has a center Longitude / Latitude point (the Greenbrae center is -122.54000091553 / 37.951099395752). For your convenience we have also indicated if that zip code in Greenbrae observes Daylight Savings time.