Summit County Utah--treasurer Department 60 Main St Coalville, UT 84017 Phone : (435) 336-3296 Business Category Government Offices-County Government Offices & Public Schools Summit County Motor Vehicle 60 Main St Coalville, UT 84017 Phone : (435) 336-3296 Business Category Government Offices-County Miscellaneous Personal Services Auto Tag Courier Legislative Bodies Government Offices & Public Schools