Below is a list of Westley CA zip codes. For your research we have also included Westley Area Code, Time Zone, UTC and the local Stanislaus County FIPS Code. Each Westley California zip code has a center Longitude / Latitude point (the Westley center is -121.19599914551 / 37.546398162842). For your convenience we have also indicated if that zip code in Westley observes Daylight Savings time.