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
John Foster Dulles encouraged Nicaragua's dictator, Emianiano Camorro, to issue a proclamation suspending diplomatic relations with Germany. In Panama, Dulles offered waiver of the tax imposed by the United States on the annual Canal fee, in exchange for a Panamanian declaration of war on Germany. In 1918, President Woodrow Wilson appointed Dulles as legal counsel to the United States delegation to the Versailles Peace Conference where he served under his uncle, Secretary of State Robert Lansing. Dulles made an early impression as a junior diplomat. While some recollections indicate he clearly and forcefully argued against imposing crushing reparations on Germany, other recollections indicate