Old Post Office Tower

Old Post Office Tower
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

Last updated: April 18, 2018

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Mailing Address:

900 Ohio Drive SW
Washington, DC 20024


(202) 426-6841

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