Below is a list of Carlsbad CA zip codes. For your research we have also included Carlsbad Area Code, Time Zone, UTC and the local San Diego County FIPS Code. Each Carlsbad California zip code has a center Longitude / Latitude point (the Carlsbad center is -117.32800292969 / 33.123600006104). For your convenience we have also indicated if that zip code in Carlsbad observes Daylight Savings time.