Publication Sales

Voice: +41 22 730 6141
Email: [email protected]
 

Membership Affairs

Fax: +41 22 730 6675 
Email: [email protected] for Member States
Email: [email protected] for Sector Members, Associates & Academia ​ 

Library and Archives

Voice: +41 22 730 6900
Email: [email protected]​

Information Services

Voice: +41 22 730 5554 (Administration) +41 22 730 6666 (Service Desk)
​Email: [email protected]  (TIES Inquiries) [email protected]  (Web Technical Questions) [email protected]  (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: [email protected], [email protected]
Tel.:  +1 917 214 5584​