American Philatelic Society
Non-profit OrganizationsPennsylvania, United States51-200 Employees
The American Philatelic Society (APS) is a non-profit organization headquartered at 100 Match Factory Place, Bellefonte, Pennsylvania, with a staff of 51 to 200 employees. It identifies itself as the nation's largest organization for stamp collectors and serves a membership of more than 28,000. The APS provides education and knowledge resources, initiates and coordinates programs for stamp collecting, and assists members in acquiring and disposing of philatelic materials, while representing the United States in the international philatelic community. The organization aims to promote stamp collecting across ages and to support philately generally through services to members and the broader community. Recent leadership updates reported in 2025–2026 include appointments such as an executive director and directors of education and technology and innovation, reflecting ongoing organizational development; the APS maintains information and services at stamps.org.
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