International postal service

United Nations Postal Administration

Site of a United Nations postal service that is the Postal Authority of the United Nations
Universal Postal Union

The official website of the Universal Postal Union (UPU) and the information society, with more than 660,000 postal outlets combining the physical, electronic and financial dimensions of a worldwide communication network, postal services provide a natural


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2-Clicks Stamps

Postage stamp collecting directory & philatelic guide