Below is a list of Calimesa CA zip codes. For your research we have also included Calimesa Area Code, Time Zone, UTC and the local Riverside County FIPS Code. Each Calimesa California zip code has a center Longitude / Latitude point (the Calimesa center is -117.05400085449 / 33.986099243164). For your convenience we have also indicated if that zip code in Calimesa observes Daylight Savings time.