29-12-2022 10:56 AM
29-12-2022 11:43 AM
I don't think that there is any account number - other than your mobile phone number.
Even the invoices here don't mention an account number:
https://48.ie/my48/transactions
If necessary contact 48 support and ask them.
See the link in my signature below or email them at support@48months.zendesk.com