This page contains contact information for many areas within the ITU. Paper mail may be addressed to each Bureau at the ITU postal address.
Don't know who to call?  Call the ITU switchboard at +41 22 730 5111

Postal Address

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

General Enquiries

Voice: +41 22 730 5111 (ITU Switchboard)
Fax: +41 22 733 7256
Email: [email protected]
 

Radiocommunication Bureau (BR)

Voice: +41 22 730 5560
Fax: +41 22 730 5785
Email: [email protected]

Telecommunication Standardization Bureau (TSB)

Voice: +41 22 730 5852
Fax: +41 22 730 5853
Email: [email protected]

Telecommunication Development Bureau (BDT)

Voice: +41 22 730 5435
Fax: +41 22 730 5484
Email: [email protected]
 

Press and Public Information

Voice: +41 22 730 6039
Fax: +41 22 730 5939
Email: [email protected]

Languages

Email: [email protected] 

ITU Telecom

Voice: +41 22 730 6161
Fax: +41 22 730 6444
Email: [email protected]
 

Publication Sales

Voice: +41 22 730 6141 (English) +41 22 730 6142 (Français) +41 22 730 6143 (Español)
Fax: + 41 22 730 5194
Email: [email protected]
 

Membership Affairs

Fax: +41 22 730 6675
Email: [email protected]

Library and Archives

Voice: +41 22 730 6900
Fax: + 41 22 730 5326
Email: [email protected]

Information Services

Voice: +41 22 730 5554 (Administration) +41 22 730 6666 (Service Desk)
Fax: +41 22 730 5337
Email: [email protected]  (TIES Technical Inquiries) [email protected]  (Web Technical Questions) [email protected]  (DNS Questions)

TIES Registration

Fax: +41 22 730 6675
Email: [email protected]

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 DC2-2525, 2 United Nations Plaza - New York, NY, 10017
E-mail: [email protected]  , [email protected]
Tel.: +1 917 367 2992