You can, but the question would be why are the charges appearing @Ray14
Are you currently abroad?
All we know on bars is in the guide Guide: O2 BARs
And the ways to contact o2 Guide: How to find help & contact O2
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
