Maintenance window from 6am to 12am (CEST) on 9 October 2022: During this time, there may be restrictions or interruptions to the portal services.

Search for more addressing resources

Service description

Search for more allocated or available addressing resources (e.g. ADMD, NSAP, manufacturer codes).

There are three ways to search for more addressing resources of a specific type:

  1. Search for all addressing resources
  2. Search by holder: Search for addressing resources allocated to the selected holder
  3. Search for specific addressing resources

Do you have any questions or comments about the 'Search for more addressing resources' 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