"Davenport, Virginia"@en . "24239" . "Davenport is an unincorporated community in Buchanan County, Virginia, United States. Davenport is located on Virginia State Route 80 12.5 miles (20.1 km) south of Grundy. Davneport has a post office with ZIP code 24239.The Davenport post office was established in 1881. William Davenport was an early postmaster."@en . . . . . "-5" . "-4" . . "276" . "442.874"^^ .