Wikipedia https://ko.wikipedia.org/wiki/만국_우편_연합
Official Website http://www.upu.int/
Facebook https://www.facebook.com/universalpostalunion
Link https://twitter.com/UPU_UN
전화 +41 31 3503111
주소 4 Weltpoststrasse, Bern 3015, Switzerland
좌표 46°56'20.835" N 7°28'22.086" E
