There are four ways to search for IINs:
- Search for all IINs
- Search by holder: Search for IINs allocated to the selected holder
- Search by number range: Search for IINs within a specific number range
- Search for a specific IIN
Do you have any questions or comments about the 'Search for an Issuer Identifier Number (IIN)' service?
Contact us using the service Contact for questions about telecom services.