Moss, TennesseeMoss is an unincorporated community in Clay [County, Tennessee|Clay County], Tennessee, United States.GeographyMoss is located west-northwest of Celina along Tennessee [State Route 52]. The highway's junction with Tennessee State [Route 51], which connects the area to Tompkinsville, Kentucky, lies just west of the community.Post officeMoss has a post office with ZIP code 38575.