Numismatic organizations - associations

CCA mission is to make the every day numismatist recognize our favorite coins as a major part of the coining industry.
http://challengecoinassociation.org

California State Numismatic Association is a state-wide organization dedicated to the promotion of serious Numismatic studies, endeavoring to bring to the collecting fraternity special items of interest and fundamental information.
http://www.calcoin.org/

The Canadian Numismatic Association is devoted to serving those who enjoy coin collecting/numismatics by promoting fellowship, communication, education and providing advocacy and leadership for the hobby.
http://www.canadian-numismatic.org/

This association is a non-profit, educational, and scientific organization founded in January, 1960, it is purely a mutual association, founded for the benefit of its members.
http://www.ccatech.com/tna/

The Numismatic Bibliomania Society (NBS) is a non-profit educational organization founded in 1980 to support and promote the use and collecting of numismatic literature.
http://www.coinbooks.org/

A non-profit educational organization founded in 1980 to support and promote the use and collecting of numismatic literature.
http://www.coinbooks.org/club_nbs_main.html

A resource for UK coin collectors, listing coin clubs nationally. The British Association of Numismatic Societies is the national organisation which represents numismatic societies throughout the United Kingdom.
http://www.coinclubs.freeserve.co.uk/

Coneca is a national numismatic organization devoted to the education of error and variety coin collectors. Coneca focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, etc.
http://www.conecaonline.org/

A directory of BNTA - British Numismatic Trade Association Members professional numismatists (coin dealers) in the United Kingdom of Great Britain & Northern Ireland.
http://www.numis.co.uk/bnta.html