For registration by phone, registration processing status, NSS membership discounts, and general information:

Telephone: 202-429-1600
Fax: 703-435-4390

(please do not include any sensitive information such as credit card numbers)

• Conference Chair, please email Conference Chair
• Media Relations and Publicity, please email our Media Liaison.
• ISDC Sponsorship, Speaker and Operational Questions, please email ISDC Sponsors.
• Exhibits, please email our Exhibits Coordinator.
• Website Issues (broken links and registration problems), please email our ISDC Webmaster.
• Abstract Submissions and Requests to Present, please fill out this one page form.
• Volunteers, please email our Volunteer Coordinator.

National Space Society
P.O. Box 98106, Washington, DC  20090-8106