. . . . . "Del Rio, Tennessee"@en . "2138"^^ . . "Del Rio is an unincorporated community in Cocke County, Tennessee, United States. Although it is not a census-designated place, the ZIP Code Tabulation Area for the ZIP Code (37727) that serves Del Rio had a population of 2,138, according to the 2000 census."@en . . "-5" . "-4" .