Below is a list of Mendocino County CA zip codes. For your research we have also included Mendocino County Area Code, Time Zone, UTC and the local County FIPS Code. Each Mendocino County California zip code has a center Longitude / Latitude point (the Mendocino County center is -123.49700164795 / 39.309799194336). For your convenience we have also indicated if that zip code in Mendocino County observes Daylight Savings time.