Below is a list of Arroyo Grande CA zip codes. For your research we have also included Arroyo Grande Area Code, Time Zone, UTC and the local San Luis Obispo County FIPS Code. Each Arroyo Grande California zip code has a center Longitude / Latitude point (the Arroyo Grande center is -120.58399963379 / 35.12149810791). For your convenience we have also indicated if that zip code in Arroyo Grande observes Daylight Savings time.