It could be any number of reasons
@s_rogan:
- You have called a number outside of your free allowances
- You have sent some MMS (Picture or media messages)
- You have subscribed to a paid text service
- You have purchased something using charge to mobile
You would need to check your bill to see what the charges are for. We are a community of o2 customers and do not have access to other accounts.
Follow the guide below to get to the bill details:
https://community.o2.co.uk/t5/How-to-Guides/How-do-I-get-to-the-Download-Bill-page/ba-p/1014096
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 Do not publish personal details (email, phone number, bank account).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
