You can retrieve it right here. You just need your VAT number, your IBAN, and your device code.
A Reserved Area to access information related to contract, activity, and invoices is available to customers who register on the Telepass site.
In the Reserved Area, customers can also:
To access the Reserved Area, customers need to register using the ID code received via email or letter at the time they initiated the contract.
If you cannot remember your username or password, you can easily recover them by clicking here.