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 Welsh Dulles John Welsh Dulles John Welsh Dulles (November 4, 1823 – April; 13, 1887) was an American Presbyterian minister and author. He was the grandfather of John Foster Dulles and Allen Welsh Dulles. Dulles was born in Philadelphia, Pennsylvania, November 4, 1823, the son of Joseph Heatly Dulles and Margaret (Welsh) Dulles. He graduated from Yale College in 1844. After pursuing the study of medicine in the University of Pennsylvania in 1844 and 1845, he entered the Union Theological Seminary, New York City, in January, 1846, and completed the course there in 1848. On October 2, 1848, he was ordained by