Below is a list of Sonoma CA zip codes. For your research we have also included Sonoma Area Code, Time Zone, UTC and the local Sonoma County FIPS Code. Each Sonoma California zip code has a center Longitude / Latitude point (the Sonoma center is -122.45800018311 / 38.291900634766). For your convenience we have also indicated if that zip code in Sonoma observes Daylight Savings time.