The Baltimore/Washington International Thurgood Marshall Airport’s actual address is 7062 Elm Rd., Baltimore, MD 21240. All letters should be addressed to the Maryland Aviation Administration, Third Floor, Terminal Building, P.O. Box 8766, BWI Airport, MD, 21240-0766, if one wishes to reach the airport via mail.
When using a virtual map tool like Google Maps or Mapquest to get directions, it is not required to know the address of the Baltimore/Washington International Thurgood Marshall Airport.
For such websites, entering the airport code in the address destination field is sufficient. Traditional road atlases frequently feature an airplane-shaped icon to designate the Baltimore/Washington International Airport.