Dulles Town Center is a census-designated place (CDP) in Loudoun County, Virginia, located about seven miles north of Washington Dulles International Airport. The population as of the 2010 United States Census was 4,601. The CDP is the location of the Dulles Town Center shopping mall, for which it is named. The United States Postal Service considers Dulles Town Center to be a subsection of Dulles, which is itself a subsection of Sterling; none of these locations is an incorporated municipality.
References
Dulles Town Center, Virginia Wikipedia(Text) CC BY-SA