Links

Universal Postal Union (UPU)
www.upu.int

Union Postal de las Américas, España y Portugal (UPAEP)
www.upaep.com.uy

International Post Corporation (ICP)
www.ipc.be

PostEurop
www.posteurop.org

AICEP
www.aicep.pt

Fédération Internationale de Philatélie (FIP)
www.f-i-p.ch

Portuguese Philatelic Federation (FPF)
www.fpf-portugal.com

Federation of European Philatelic Associations (FEPA)
www.fepa-philately.com

International Association of Philatelic Experts (AIEP)
www.aiep-experts.net

Philatelic Webmasters Organization (PWO)
www.pwmo.org

World Association of Authors and Journalists in philately (AIJP)
www.aijp.org

International Federation of Stamp Dealers Associations
www.ifsda.org

WADP Numbering System (WNS)
www.wnsstamps.ch/en