Below is a list of Grantsville UT zip codes. For your research we have also included Grantsville Area Code, Time Zone, UTC and the local Tooele County FIPS Code. Each Grantsville Utah zip code has a center Longitude / Latitude point (the Grantsville center is -112.46 / 40.6029). For your convenience we have also indicated if that zip code in Grantsville observes Daylight Savings time. For more information on Grantsville Utah you will find helpful business links and searches.