Contact
You can reach the USAMTS staff by emailing usamts@usamts.org (preferred) or by mail at the following address:
USAMTS
55 Exchange Place
Suite 503
New York, NY 10005
Art of Problem Solving also hosts an active message board for the USAMTS. Remember not to discuss contest problems until 24 hours after the round has ended, as some students may be using their submission extension.