Old Post Office Pavilion
(556)
Historical landmark in Washington, D.C.
The Old Post Office, listed on the National Register of Historic Places as the Old Post Office and Clock Tower, is located at 1100 Pennsylvania Avenue, N.W. in Washington, D.C. It is a contributing property to the Pennsylvania Avenue National Historic Site.
Address: 1100 Pennsylvania Avenue NW, Washington, DC 20004
Hours: Closed ⋅ Opens 9 AM