850 Sligo Ave. Suite 600
Silver Spring, MD 20910
From the US call toll free at (888) 322-6728
From all other locations call (301) 589-6062
and you can send a fax to (301) 608-3410
If you would like to contact AMSAT via email please use this handy form. It is our policy to respond to all requests by the next business day, most times sooner.
Note: Do not use this form to request email alias or list subscription changes.