Below is a list of Altonah UT zip codes. For your research we have also included Altonah Area Code, Time Zone, UTC and the local Duchesne County FIPS Code. Each Altonah Utah zip code has a center Longitude / Latitude point (the Altonah center is -110.29199981689 / 40.401500701904). For your convenience we have also indicated if that zip code in Altonah observes Daylight Savings time.