Billing and Usage
Help and support
Billing and Usage
Get answers on bill details, payment options, tracking your data usage, and more
Charges on your bill
More info about the charges on your bill
Checking your Pay As You Go balance
You can check your balance online or by phone
Direct debit changes
How to make changes to your monthly Direct Debit
Extra charges guide
Details of charges that aren’t included in your plan
Free numbers
A list of numbers that are free to call from your O2 phone
How to pay
Everything you need to know about paying your bill
Late payment fee
Information about charges if your payment is late
Missed calls from 0845 and 0843 numbers
How to deal with missed calls from unknown numbers
Payment dates and billing date
More about these important dates for your account
Payment support
If you need help when it comes to your payments
Premium rate services
Information about premium charges that may appear on your bill
Refunds
How to get a refund for a credit balance on your account
Special numbers 07
Information about calling these numbers
Spend cap
Keeping extra charges under control is easy with a Spend Cap
Topping up and checking your mobile broadband balance
How to keep an eye on your mobile broadband balance and top up when needed
Topping up your Pay As You Go balance
Adding more credit to your account
Understanding Data
Everything you need to know about mobile data
Understanding your bill
A comprehensive guide to what’s in your bill and how to manage it
