Area Code: 571

571 Area Code belongs to the state of Virginia. The following cities fall under this area code: Alexandria, Annandale, Arlington, Burke, Centreville, Chantilly, Dale City, Fairfax, Franconia, Groveton, Herndon, Lake Ridge, Leesburg, Manassas, Mclean, Mount Vernon, Oakton, Reston, Springfield, West Springfield, Woodbridge. There have been a total of 13835 Numbers for this area code.