Below is a list of Atascadero CA zip codes. For your research we have also included Atascadero Area Code, Time Zone, UTC and the local San Luis Obispo County FIPS Code. Each Atascadero California zip code has a center Longitude / Latitude point (the Atascadero center is -120.671 / 35.4809). For your convenience we have also indicated if that zip code in Atascadero observes Daylight Savings time. For more information on Atascadero California you will find helpful business links and searches.