on 10-02-2017 23:13
on 10-02-2017 23:13
on 10-02-2017 23:21
on 10-02-2017 23:21
on 11-02-2017 10:27
on 11-02-2017 10:27
@Anonymous quite a bit of useful info here too
https://community.o2.co.uk/t5/Pay-Monthly-and-Pay-Go/Cancelling-Your-Contract-A-Guide/td-p/566774
Obviously if you're PAYG rather than a contract customer, a lot of that doesn't apply, so you just need to contact CS using the details @MI5 linked to above.
11-02-2017 13:41 - edited 11-02-2017 13:42
11-02-2017 13:41 - edited 11-02-2017 13:42