Below is a list of Placentia CA zip codes. For your research we have also included Placentia Area Code, Time Zone, UTC and the local Orange County FIPS Code. Each Placentia California zip code has a center Longitude / Latitude point (the Placentia center is -117.8629989624 / 33.881999969482). For your convenience we have also indicated if that zip code in Placentia observes Daylight Savings time.