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.
Stamps issued: 1847-PRESENTAlso see Danish West Indies (U.S. Virgin Islands), Guam, Hawaii, and Puerto Rico.
Visit this virtual exhibition to learn about stamps of the United States of America.