Below is a list of Hilmar CA zip codes. For your research we have also included Hilmar Area Code, Time Zone, UTC and the local Merced County FIPS Code. Each Hilmar California zip code has a center Longitude / Latitude point (the Hilmar center is -120.84999847412 / 37.404300689697). For your convenience we have also indicated if that zip code in Hilmar observes Daylight Savings time.