Johnson County Post Offices

211 Piercetown Rd
Butler, Tennessee 37640

216 College St
Mountain City, Tennessee 37683

136 Highway 133
Shady Valley, Tennessee 37688

164 Highway 67 N
Trade, Tennessee 37691

Johnson County

There are 4 US Post Offices in Johnson County serving a total of 18,676 residents equating to 4,669 residents per post office. It's estimated that approximately 29,809 packages are handled across the 4 county post offices annually. Johnson County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 18,244. Its county seat is Mountain City. It is the state's northeasternmost county, sharing borders with Virginia and North Carolina."