Contact NSS
Get In Touch
The National Space Society can be contacted by postal mail, phone, email, or by using the appropriate online contact form.
General Inquiries:
For general questions about the National Space Society, please use the contact form
By Phone
For NSS related queries, including membership related questions:
Hours:
9:30 am – 4:30 pm Monday-Friday, Eastern (2:30 pm – 9:30 pm GMT)
Telephone:
(321) 452-2448
For general questions about the National Space Society, please use the contact form.
For general mail and for check payments to NSS
[PLEASE DO NOT SEND CASH], please remit payments [including all dues, renewals, donations, and accounts receivable] to this address:
National Space Society
PO Box 236002
Cocoa, FL 32923-6002
Send packages to this address:
National Space Society
We are moving! Please hold any packages until we post our new address.
Expect to see our new address February 28, 2026. All other addresses on this page are valid.
By Mail for legal and tax purposes only – NO MEMBERSHIP RELATED MAILINGS
[PLEASE DO NOT SEND PACKAGES] to this address. Mail being sent to NSS leaders should be sent to the Florida address above.
National Space Society
1300 I Street NW, Suite 400E
Washington, DC 20005
By Mail, Phone, or Email for government contracting purposes only (location of performance)
National Space Society
8012 MacArthur Boulevard
Cabin John, MD 20818-1608
Director of Strategic Relationships
Gary P. Barnhard
[email protected]
+1 301 229 8012
NSS Membership Inquiries:
For questions about NSS membership, please use the NSS Membership Information Contact Form. If you are a current NSS member and would like to update your contact information (address, phone, email), please use the NSS Membership Change of Address Form.
Gerard K. O’Neill Space Settlement Contest Inquiries:
For Student and Teacher questions about the Space Settlement Contest, please use the Student Settlement Contact Form.
News Media and Press Release Inquiries:
To be added to the NSS Media Distribution List or to request supplemental information regarding a NSS Press Release, or have a general media/press inquiry, please use the NSS News Media Contact Form.
NSS Space Policy, Advocacy & Government Relations Inquiries:
To contact the Policy Chair regarding the Society's advocacy and policies for space development and exploration, send email to [email protected].
To Report Web Site Issues and/or Errors, or to suggest improvements:
To report an error or problem with using our website, please use the Web Site Errors and Issues Contact Form.
To Report Copyright Violation or Abusive Content
To report a case of copyright infringement or abusive content that appears on a *.NSS.ORG website, you must use the Content Issue Report Form.
For staff contact information, see the NSS Headquarters Staff Directory
