Below is a list of Clearlake CA zip codes. For your research we have also included Clearlake Area Code, Time Zone, UTC and the local Lake County FIPS Code. Each Clearlake California zip code has a center Longitude / Latitude point (the Clearlake center is -122.6309967041 / 38.961799621582). For your convenience we have also indicated if that zip code in Clearlake observes Daylight Savings time.