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 through selective access to politicians from other countries, with the aim of having an advantage over rival countries. In the wake of the Snowden global surveillance disclosures, the subject of the relocation of the UN headquarters was again discussed, this time for security reasons. Among the cities that have been proposed to house the headquarters of the United Nations are Saint Petersburg, Montreal, Dubai, Jerusalem, and Nairobi. Critics of the relocation say that the idea would be expensive and would also involve the withdrawal of the United States from the organization, and with it much of the agency's funding. They