Unincorporated Places:
Arcola,
Ashburn,
Belmont,
Brambleton,
Broadlands,
Cascades,
Countryside,
Dulles Town Center,
Lansdowne,
Loudoun Valley Estates,
Lowes Island,
Moorefield Station,
Oak Grove,
South Riding,
Sterling,
Stone Ridge,
Sugarland Run,
University Center
ZIP Codes:
20105,
20117,
20118,
20120,
20129,
20130,
20132,
20135,
20141,
20147,
20148,
20152,
20158,
20164,
20165,
20166,
20170,
20175,
20176,
20180,
20184,
20197,
22066
