Below is a list of Boyes Hot Springs CA zip codes. For your research we have also included Boyes Hot Springs Area Code, Time Zone, UTC and the local Sonoma County FIPS Code. Each Boyes Hot Springs California zip code has a center Longitude / Latitude point (the Boyes Hot Springs center is -122.4820022583 / 38.313899993896). For your convenience we have also indicated if that zip code in Boyes Hot Springs observes Daylight Savings time.