Below is a list of Yolo County CA zip codes. For your research we have also included Yolo County Area Code, Time Zone, UTC and the local County FIPS Code. Each Yolo County California zip code has a center Longitude / Latitude point (the Yolo County center is -121.83899688721 / 38.666500091553). For your convenience we have also indicated if that zip code in Yolo County observes Daylight Savings time.