2121 P St NWWashington, DC 20037 Phone: +1 202-448-1800Fax: +1 202-448-1801Toll Free: +800-766-3782 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 335 - Hoteliers! Is your information accurate? Update Here The Royal Sonesta DC Dupont Circle Location & Neighborhood Dupont Circle - 4 MI, 10 min from Ronald Reagan Natl airport.Nearest Cross Street: 21st Street