on 19-05-2020 14:58
on 19-05-2020 15:00
Only as permitted here https://www.o2.co.uk/help/account-and-billing/changing-your-name
on 19-05-2020 15:00
on 19-05-2020 15:00
on 19-05-2020 15:01
Do you mean on your account
If it's an incorrect spelling then follow this link
https://www.o2.co.uk/help/account-and-billing/changing-your-name