202.633.3030 — Monday-Friday, 9 a.m. to 5 p.m., EST.
Outside of these hours, the "Information Hotline" announces details about current events, including times, locations, location changes, and/or event cancellations.
Send us an email
For questions regarding your membership, tickets, assistance with your user name/password, or other information.
For website related problems or suggestions, please email Kevin Holmes, Director, I.T.
PO Box 23293
Washington, DC 20026-3293
S. Dillon Ripley Center
1100 Jefferson Drive, SW
Enter the small, round, dome-topped building just West of the Smithsonian Castle
Metro stop: Smithsonian, Mall exit
The office is on the 3rd floor down; to the right, just beyond the bottom of the escalator.