Cities included in Fairfax County: Centreville, Reston, McLean, Burke, Annandale, Oakton, Fair Oaks, Springfield, West Falls Church, Tysons, Herndon, Bailey's Crossroads, Chantilly, West Springfield, Woodlawn, Rose Hill, Lorton, McNair, Lincolnia, Merrifield, Franklin Farm, Hybla Valley, Kingstowne, Franconia, Burke Centre, Idylwood, Vienna, Wolf Trap, Fort Hunt, Great Falls, Groveton, Huntington, Kings Park West, Mount Vernon, Newington, Newington Forest, Fairfax Station, Dranesville, Wakefield, Lake Barcroft, Difficult Run, Woodburn, George Mason, Dunn Loring, Seven Corners, Fair Lakes, Laurel Hill, Greenbriar, Fort Belvoir, Mantua, Long Branch, Floris, Bull Run, North Springfield, South Run, Braddock, Hutchison, Belle Haven, Pimmit Hills, Crosspointe, Union Mill, Hayfield, Kings Park, Navy, Ravensworth, Sully Square, Mason Neck, Great Falls Crossing, Clifton

Zip Codes included in Fairfax County: 20120, 20121, 20124, 20151, 20170, 20171, 20190, 20191, 20194, 22003, 22015, 22027, 22030, 22031, 22032, 22033, 22035, 22039, 22041, 22042, 22043, 22044, 22060, 22066, 22079, 22101, 22102, 22124, 22150, 22151, 22152, 22153, 22180, 22181, 22182, 22303, 22306, 22307, 22308, 22309, 22310, 22312, 22315