About Trade, Tennessee
Trade is an unincorporated community in Johnson County, Tennessee, United States. It is easternmost community in the state and is located in the Blue Ridge Mountains, at the headwaters of Roan Creek. The community is located between the towns of Mountain City and Boone, North Carolina, along US-421. The first English-speaking person visited Trade in 1673, making it the oldest unincorporated community in the state.