Boring, TennesseeBoring is an unincorporated community in Sullivan [County, Tennessee|Sullivan County], Tennessee. Boring is located off Tennessee [State Route 75] in Southern Sullivan County, southeast of Kingsport.HistoryA post office called Boring was established in 1881, and remained in operation until it was discontinued in 1903. The community might be named for a member of the Boring family known to be residing there in the 1870s.