Below is a list of San Juan County UT zip codes. For your research we have also included San Juan County Area Code, Time Zone, UTC and the local County FIPS Code. Each San Juan County Utah zip code has a center Longitude / Latitude point (the San Juan County center is -109.83399963379 / 37.515998840332). For your convenience we have also indicated if that zip code in San Juan County observes Daylight Savings time.