You can reach the Payment Management team on 0800 902 0217.
The opening times are:
Monday to Friday – 8am to 8pm
Saturday – 8am to 6pm
Sunday – 9am to 6pm
https://www.o2.co.uk/help/account-and-billing/payment-support
Best time to call is around 8.00am
Consider taking out a direct debit to prevent problems I the future
This is not O2 and we are all customers here similar to yourself and cannot answer account type queries.
