Below is a list of Hopland CA zip codes. For your research we have also included Hopland Area Code, Time Zone, UTC and the local Mendocino County FIPS Code. Each Hopland California zip code has a center Longitude / Latitude point (the Hopland center is -123.11699676514 / 38.971199035645). For your convenience we have also indicated if that zip code in Hopland observes Daylight Savings time.