U.s. Government--post Office, Trade Mountain City, TN 37683 Phone : (423) 727-8211 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools United States Government--trade Trade, TN 37691 Phone : (423) 727-8211 Business Category Government Offices & Public Schools Post Office - Trade 164 Highway 67 N Trade, TN 37691 Phone : (423) 727-8211 Business Category Post Offices Toll-Free           (800) ASK-USPS