The National Park Service provides interpretive programming within the Old Post Office Tower under an agreement with the building's owner, the General Services Administration.
Hours of Operation: 9 am - 5 pm daily (last entry is at 4:30 pm), except Thanksgiving and Christmas.
(NOTE - The Old Post Office will open at 9:30 am on Sunday, April 29 and Thursday, May 3 to allow staff to complete safety training)
For more information on the building click the link to the GSA Old Post Office Page
Old Post Office Tower
Last updated: April 18, 2018