on 07-05-2020 13:10
on 07-05-2020 13:14
Hi
Yes you are correct O2 bill a month in advance and will generate the bill 14 days prior taking the direct debit.
If you would like to move your number across please complete the following form: https://www.o2.co.uk/help/phones-sims-and-devices/how-to-keep-your-mobile-number/online-form