National Postal Museum

See also The British Postal Museum & Archive, formerly known as the National Postal Museum. The National Postal Museum, located opposite Union Station in Washington, D.C. , USA, was established through joint agreement between the United States Postal Service and the Smithsonian Institution and opened in 1993. The museum is located across the street from Union Station, in the building that once served as the Main Post Office of Washington, D.C. from 1914, when it was constructed, until 1986.

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