Open every day (except December 25)
10:00 am to 5:30 pm
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
Introduction to Stamp Collecting: Soaking Stamps
Citizen’s Stamp Advisory Committee
Collectibles on USPS.com
Stamp Image Use for Educational Purposes
Virtual Vault Online Collection Database
Stamp Designs from Mrs. Heigel’s 2nd Grade Class at Mason Ridge Elementary School in Creve Coeur, Missouri