Below is a list of Stanislaus County CA zip codes. For your research we have also included Stanislaus County Area Code, Time Zone, UTC and the local County FIPS Code. Each Stanislaus County California zip code has a center Longitude / Latitude point (the Stanislaus County center is -120.92800140381 / 37.608798980713). For your convenience we have also indicated if that zip code in Stanislaus County observes Daylight Savings time.