Below is a list of Hickman CA zip codes. For your research we have also included Hickman Area Code, Time Zone, UTC and the local Stanislaus County FIPS Code. Each Hickman California zip code has a center Longitude / Latitude point (the Hickman center is -120.75099945068 / 37.618999481201). For your convenience we have also indicated if that zip code in Hickman observes Daylight Savings time.