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Smithsonian sunburst Smithsonian National Postal Museum
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    Visit »

    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.

    street map of Postal museum

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Contact: Items in the Collection

The answers to frequently asked questions about the National Postal Museum and about US Postal Service history can be found at: FAQs.

For information about selling a stamp collection, please visit: American Philatelic Society: Buying and Selling

To contact the museum about items in the museum's collection, please send an email to: NPMObjectResearch@si.edu

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      • Smithsonian Insider Series | Baseball: America's Home Run
      • Smithsonian Insider Series | Stephen Wong
  • Host an Event
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HomeSmithsonian National Postal Museum

Visit »

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.

street map of Postal museum

Learn more
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