United Nations International Drug Control Programme Vienna International Centre PO Box 500 A-1400 Vienna Austria
Telephone: +43 1 21345-0 Facsimile: +43 1 230 7002The 0 after the telephone number will reach the operator. If you already know the 4-digit extension of the person you wish to reach, dial that instead of the zero.
UNDCP also has a Telex number, which is:
Telex: 135612 UNO A
If you don't know the exact e-mail address of a staff member, you can send mail to the UNDCP Mail Registry, who will take appropriate action. The E-mail address is:
undcp_hq@undcp.un.or.at