CTM Phonecard
Collector's club, mail list, trading, and phonecard gallery.

Shannonside Callcard Collectors Club - Ireland
Devoted to bringing collectors news and other information regarding Callcards and the collection of Callcards as a whole. This site comes complete with the most up to date listing of all Irish CallCards.

Norwegian Phonecard Collectors Association
Primary goal is to keep its members informed about phonecard-issues and providing a meeting-point for collectors.

International Prepaid Communications Association (IPCA)
A voluntary association of individuals and firms concerned about and working for a particular industry or type of business.