Dulles, Virginia Postal Service to allow Sterling businesses and residents to use Dulles as an alternative address. The USPS defines Dulles as an "acceptable" city name for the 20166 zip code, whose "actual" city name is Sterling. The addresses for shipping parcels to United States embassies and consulates, as well as their employees worldwide, are located in Dulles. The USPS city name for zipcode 20189 is Dulles. Washington Dulles International Airport is located partially in Dulles (although its postal address uses the Sterling name instead) and partially in Fairfax County. The community derives its name from the airport; the airport in turn
Allen Dulles New York firm where his brother, John Foster Dulles, was a partner. He became a director of the Council on Foreign Relations in 1927, the first new director since the Council's founding in 1921. He was the Council's secretary from 1933 to 1944. During the late 1920s and early 1930s, he served as legal adviser to the delegations on arms limitation at the League of Nations. There he had the opportunity to meet with Adolf Hitler, Benito Mussolini, Soviet Foreign Minister Maxim Litvinov, and the leaders of Britain and France. In 1935 Dulles returned from a business trip to Germany