Below is a list of Yorkville CA zip codes. For your research we have also included Yorkville Area Code, Time Zone, UTC and the local Mendocino County FIPS Code. Each Yorkville California zip code has a center Longitude / Latitude point (the Yorkville center is -123.21299743652 / 38.896900177002). For your convenience we have also indicated if that zip code in Yorkville observes Daylight Savings time.