Open daily 10 a.m. to 5:30 p.m.
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
The museum's main entrance is located on the corner of First Street and Massachusetts Avenue NE. Other entrances have variable hours.
Prepared by Daniel A. Piazza, Curator of Philately with the assistance of Michael Devaney.
Images are from the Smithsonian National Postal Museum’s Howard H. Koslow Collection of modern U.S. stamp art, Accession #2012.2036.