TEMPORARILY CLOSEDOpen every day (except December 25)
10:00 am to 5:30 pm
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