Below is a list of Klamath River CA zip codes. For your research we have also included Klamath River Area Code, Time Zone, UTC and the local Siskiyou County FIPS Code. Each Klamath River California zip code has a center Longitude / Latitude point (the Klamath River center is -122.82599639893 / 41.861301422119). For your convenience we have also indicated if that zip code in Klamath River observes Daylight Savings time.