Below is a list of Keyes CA zip codes. For your research we have also included Keyes Area Code, Time Zone, UTC and the local Stanislaus County FIPS Code. Each Keyes California zip code has a center Longitude / Latitude point (the Keyes center is -120.92099761963 / 37.560699462891). For your convenience we have also indicated if that zip code in Keyes observes Daylight Savings time.