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.
In 1879 the American Bank Note Company absorbed Continental and became the primary printer of U.S. stamps until 1894. The 10-cent special delivery stamp of 1888 was printed by American Bank Note.