Smithsonian Associates
Phone: 202-633-3030 M-F, 10 a.m. - 3 p.m.
Email: info@SmithsonianSleepovers.org
Fax: 202-786-2034
Mail:
Smithsonian Associates
PO Box 23293
Ticket Window & office location:
S. Dillon Ripley Center
1100 Jefferson Drive, SW
Washington, DC 20560