How to Contact Us

Contact Us

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

By Telephone: +1 202-429-1600
By Fax: +1 202-530-0659
By email, please do not include any private information like credit card numbers.

For media relations and publicity, please send an email to our (email closed)

For general ISDC sponsorship, VIP speaker and management related questions, please send an email to

For exhibits, please send an email to our

For website issues, including broken links and registration problems, please send an email to our

To contact us via postal mail:

National Space Society
1155 15th Street NW, Suite 500
Washington, DC 20005

[ Click for Mobile Version ] Last updated on May 25, 2013. Copyright © 1998-2013, National Space Society. If you cannot see some of the images or text, please check your Ad Blocker or Twitter blocker filter, and add exception for NSS.org. Please report website problems to: . NSS Privacy Policy.

Special thanks to our Sponsors, Co-Sponsors, Exhibitors, Supporters and Affiliates.

Download ISDC 2013 Sponsorship Package

Attendees! Signup for
T Minus 5 Presentation

If you do not see the ISDC Twitter feed, or a blank box, please allow a few moments while the Tweets to load. The Twitter widget may be slow sometime, and it is due to the Twitter side server. Some Ad Blocker software or company firewall will block the display of the Twitter Widget.