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Postal Address

International Telecommunication Union (ITU)
Place des Nations
1211 Geneva 20 Switzerland

General Enquiries

Fax:+41 22 733 7256
Email:itumail@itu.int

Radiocommunication Bureau (BR)

Voice:+41 22 730 5560
Fax:+41 22 730 5785
Email:brmail@itu.int

Telecommunication Standardization Bureau (TSB)

Voice:+41 22 730 5852
Fax:+41 22 730 5853
Email:tsbmail@itu.int

Telecommunication Development Bureau (BDT)

Voice:+41 22 730 5435
Fax:+41 22 730 5484
Email:bdtmail@itu.int

Press Office (Media Only)

Voice:+41 22 730 6039
Email:pressinfo@itu.int

Languages

Email:languages@itu.int

Publication Sales

Voice:+41 22 730 6141
Email:sales@itu.int

Membership Affairs

Fax:+41 22 730 6675
Email:memberstates@itu.int for Member States
Email:membership@itu.int for Sector Members, Associates & Academia

Library and Archives

Voice:+41 22 730 6900
Email:library-archives@itu.int

Information Services

Voice:+41 22 730 5554 (Administration)+41 22 730 6666 (Service Desk)
Email:ServiceDesk@itu.int (TIES Inquiries)webmaster@itu.int (Web Technical Questions)hostmaster@itu.int (DNS Questions)

UN and Liaison Office

ITU is a specialized agency of the United Nations and maintains a liaison office with the UN in New York. Office DC2-2524, 2 United Nations Plaza - New York, NY, 10017
E-mail:wynhoven@un.org, ursula.wynhoven@itu.int
Tel.: +1 917 214 5584