U.S. Customs and Border Protection-IAD Cargo Office Cargo Building 5 23723-C Air Freight Lane Dulles, VA 20166 United States 703-661-7140 https://www.cbp.gov/about/contact/ports/port-washington-dulles-virginia-5401
U.S. Customs and Border Protection-Port of Washington-Dulles-5401 1 Saarinen Circle Main Terminal Lower Level, West End Sterling, VA 20166 United States 703-661-2800 https://www.cbp.gov/about/contact/ports/port-washington-dulles-virginia-5401
U.S. Department of Agriculture 22685 Holiday Park Drive Sterling, VA 20598 United States 703-661-7100 703-661-8165 http://www.aphis.usda.gov
U.S. Department of Commerce 1501 Wilson Boulevard Suite 1225 Arlington, VA 22209 United States 703-235-0100 http://www.export.gov/virginia
U.S. Department of State 44132 Mercure Circle P.O. Box 1206 Sterling, VA 20166 United States 202-485-8000 http://www.state.gov
U.S. Fish and Wildlife Cargo Building 6 23703-C Air Freight Lane Washington Dulles International Airport Dulles, VA 20166 United States 703-661-8560 703-661-8561 http://www.fws.gov
U.S. Post Office - Dulles Airport 45005 Aviation Drive Suite 120 Dulles, VA 20166 United States 800-275-8777 http://www.usps.com
U.S. Postal Service & Air Mail Center 44721 Propeller Court Dulles, VA 20102 United States 703-406-6425
United Airlines Cargo 23723 Air Freight Lane Cargo Building 5 Dulles, VA 20166 United States 800-822-2746 http://www.unitedcargo.com
UniTrans International, Inc. 1934 Old Gallows Road Suite 200 Vienna, VA 22182 United States 703-483-6500 703-483-6549 http://www.unitrans.us
UPS Airlines 23941 Cargo Drive Cargo Building 3 Dulles, VA 20166 United States 800.535.2345 http://www.ups.com
US Express Freight Systems 3240 Hubbard Road Landover, MD 20785 United States 800-328-8000 301-683-9010 http://www.usexpressfreight.com