Below is a list of Plumas County CA zip codes. For your research we have also included Plumas County Area Code, Time Zone, UTC and the local County FIPS Code. Each Plumas County California zip code has a center Longitude / Latitude point (the Plumas County center is -120.81700134277 / 39.959999084473). For your convenience we have also indicated if that zip code in Plumas County observes Daylight Savings time.