Passport Application Services - Park City 2100 Park Ave Park City, UT 84068 Phone : (435) 655-8037 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Post Office - Park City 2100 Park Ave Park City, UT 84068 Phone : (435) 655-8037 Business Category Post Offices Toll-Free           (800) ASK-USPS