Service description
To request an RDN, use the document Assistance in requesting a relative distinguished name (RDN).
Do you have any questions or comments about the 'Request a relative distinguished name (RDN)' service?
Contact us using the service Contact for questions about telecom services.
Support - Contact
Federal Office of Communications
TP-NA
Zukunftstrasse 44
Postfach 256
CH-2501 Biel/Bienne
Tel.: +41 58 460 56 40
Email: numbering@bakom.admin.ch
Contact form