Alexandria VA (22301, 22302, 22303, 22304, 22305, 22306, 22307, 22308, 22309, 22310, 22311, 22312, 22313, 22314, 22315, 22320, 22331, 22332, 22333, 22334), Arlington VA (22202, 22203, 22206, 22204, 22209, 22201, 22205, 22213, 22207), Ashburn VA (20146, 20147, 20148, 20149, 22093), Annandale VA (22003), Bethesda MD (20810, 20811, 20813, 20814, 20816, 20817, 20824, 20827, 20889, 20892), Centreville VA (20120, 20121, 20122), Chantilly VA (20151, 20153), Dulles VA (20166), Fairfax VA (22030, 22031, 22032, 22033, 22034, 22035, 22036, 22037, 22038), Leesburg VA (20175, 20176, 20177), Falls Church VA (22040, 22041, 22042, 22043, 22044, 22046), Reston VA (20190, 20191, 20194, 20195), Herndon VA (20170, 20171), Great Falls VA (22066), McLean VA (22101, 22102, 22106, 22107, 22108, 22109), Oakton VA (22124), Vienna VA (22180, 22181, 22182, 22183, 22184, 22185), South Riding VA (20152), Potomac Falls VA (20165), Potomac MD (20854, 20859), Springfield VA (22153), Sterling VA (20163, 20164, 20165, 20166, 20167)

Maryland Zip Codes
Rockville: 20847, 20848, 20849, 20850, 20851, 20852, 20853, 20854, 20855, 20857, 20859
Bethesda: 20810, 20811, 20813, 20814, 20815, 20816, 20817, 20824, 20825, 20827, 20889, 20892, 20894
Potomac: 20854, 20859
Gaithersburg: 20877, 20878, 20879, 20882, 20883, 20884, 20885, 20886, 20898, 20899
Chevy Chase: 20813, 20815, 20825