Open Friday through Tuesday,
10:00 a.m. – 5:30 p.m.
(Closed Wednesdays & Thursdays until further notice, & closed December 25. Policies and requirements are subject to change without notice.)
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
The answers to frequently asked questions about the National Postal Museum and about US Postal Service history can be found at: FAQs.
To contact the museum about this website, please send an email to: NPMWeb@si.edu