Below is a list of Yreka CA zip codes. For your research we have also included Yreka Area Code, Time Zone, UTC and the local Siskiyou County FIPS Code. Each Yreka California zip code has a center Longitude / Latitude point (the Yreka center is -122.63300323486 / 41.730899810791). For your convenience we have also indicated if that zip code in Yreka observes Daylight Savings time.