Below is a list of Mariposa County CA zip codes. For your research we have also included Mariposa County Area Code, Time Zone, UTC and the local County FIPS Code. Each Mariposa County California zip code has a center Longitude / Latitude point (the Mariposa County center is -119.93900299072 / 37.55350112915). For your convenience we have also indicated if that zip code in Mariposa County observes Daylight Savings time.