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Request an Issuer Identifier Number (IIN)

Service description

Request an Issuer Identifier Number (IIN) to correctly identify an issuer of international payment cards for telecommunication services.

The Federal Office of Communications (OFCOM) is the authorised intermediary for the registration of IIN. It examines allocation requests and forwards them to the competent international body, the ITU-TSB. The ITU-TSB ensures that each IIN is assigned only once worldwide.

Do you have any questions or comments about the 'Request an Issuer Identifier Number (IIN)' 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