on 29-05-2020 13:27
on 29-05-2020 13:28
The best number to get through seems to be
0800 587 4005
Other numbers here
on 29-05-2020 13:31
on 29-05-2020 13:31
Answered here https://community.o2.co.uk/t5/Pay-Monthly/Bill-and-accounts/m-p/1354211
Veritas Numquam Perit