Here are the major organizations within the hobby through which you can gain the knowledge necessary to participate in a meaningful way. The American Numismatic Association provides its members with a free list of its member clubs and associations.
818 North Cascade Avenue Colorado Springs, CO 80903
75 Varick Street, Floor 11 New York, NY 10013
4936 Yonge Street, Suite 601 North York, Ontario M2N 6S3Canada
Other Major Domestic Coin Clubs
Inquire through local coin dealers, other collectors, and the local chamber of commerce to learn where clubs exist in your local area.
P.O. Box 2301Chicago, IL 60690
New Jersey Numismatic Association
c/o Ray Flanigan Madison Public Library 39 Keep Street Madison, NJ 07940
P.O. Box 841Logansport, IN 46947
Other Specialized Coin Clubs
There is likely a club focused on almost any aspect of coin collecting that may interest you.
12555 Biscayne Boulevard, No. 733 North Miami, FL 33181
c/o Glen R. Peterson 9301 Park West Boulevard Knoxville, TN 37923
P.O. Box 15782 Cincinnati, OH 45215
P.O. Box 6909 San Diego, CA 92166
P.O. Box 46829 Chicago, IL 60656
P.O. Box 3684 Santa Rosa, CA 95402
P.O. Box 913 Bowie, MD 20715