Vernal, UT is currently using one area code which is area code 435. Area Code 435 was created from a split of area code 801 and put into service on September 21, 1997.
In addition to Vernal, UT area code 435 serves most of Utah including the larger cities and communities of Cedar City, Logan, St. George, and Tooele in addition to many smaller communities. The Salt Lake City metropolitian area is served by area code 385 and 801.
Vernal, UT is located in Uintah County and observes the Mountain Time Zone. View our Times by Area Code tool.