Alcoholics Anonymous in the United States and Canada maintain a website with a wide variety of information about AA.

Website:
http://www.aa.org

Mailing address:
General Service Office
P.O. Box 459
Grand Central Station
New York, New York 10163

Telephone:
(212) 870-3400

Location:
475 Riverside Drive
11th floor
New York, N.Y. 10115