Below is a list of Healdsburg CA zip codes. For your research we have also included Healdsburg Area Code, Time Zone, UTC and the local Sonoma County FIPS Code. Each Healdsburg California zip code has a center Longitude / Latitude point (the Healdsburg center is -122.8629989624 / 38.620601654053). For your convenience we have also indicated if that zip code in Healdsburg observes Daylight Savings time.