Us Government--post Office Rr 1 Shady Valley, TN 37688 Phone : (423) 739-2073 Business Category Post Offices Government Offices & Public Schools Post Office - Shady Valley 136 Highway 133 Shady Valley, TN 37688 Phone : (423) 739-2073 Business Category Post Offices Toll-Free           (800) ASK-USPS