Below is a list of Oceano CA zip codes. For your research we have also included Oceano Area Code, Time Zone, UTC and the local San Luis Obispo County FIPS Code. Each Oceano California zip code has a center Longitude / Latitude point (the Oceano center is -120.60900115967 / 35.10120010376). For your convenience we have also indicated if that zip code in Oceano observes Daylight Savings time.