Dulles, VA

ZIP code 20101 is located in Dulles, Virginia. This area is home to the Washington Dulles International Airport, one of the busiest airports in the United States. Other landmarks nearby include the Steven F. Udvar-Hazy Center, part of the Smithsonian National Air and Space Museum, and the National Conference Center, a large meeting and events facility. The ZIP code encompasses a mix of commercial and residential areas.