Headquarters of the United Nations be sent by courier. The United Nations Postal Administration issues stamps, which must be used on stamped mail sent from the building. For award purposes, amateur radio operators consider the UN headquarters a separate "entity" under some award programs such as DXCC. For communications, UN organizations have their own internationally recognized ITU prefix, 4U. However, only contacts made with the UN Headquarters in New York, and the ITU count as separate entities. Other UN organizations such as the World Bank count for the state or country they are located in. The UN Staff Recreation Council operates amateur radio station 4U1UN,
Headquarters of the United Nations Apartments across First Avenue from the Zeckendorf site. The city, in turn, spent $5 million on clearing the land. While the United Nations had dreamed of constructing an independent city for its new world capital, multiple obstacles soon forced the organization to downsize their plans. They ultimately decided to build on Rockefeller's East River plot, since the land was free and the land's owners were well known. The diminutive site on the East River necessitated a Rockefeller Center-type vertical complex, thus, it was a given that the Secretariat would be housed in a tall office tower. During daily meetings from