The offices of the National Historical Society are conveniently located in the historic Embassy Row district of our Nation's Capitol, two blocks west of the Dupont Circle station of the Washington DC Metro system. 

The physical address is:

1607 22nd Street NW
Washington, DC 20008

The mailing address is: 

1635 Connecticut Ave NW
Box 53350
Washington, DC 20009

301-706-4179