Understanding your bill

Access for all

Pay Monthly

O2 Pay Monthly customers may receive either online or paper bills.

To see an explanation of the details on your bill type, choose one of the options below:

You can also read our article for more information.

Pay & Go

To check your balance, use hotkey 2 or key *#10# then press the call button and your calltime balance will be shown on your display. Alternatively dial 4444 FREE from your mobile phone to hear your balance.

Find out more about checking the balance on your Pay & Go mobile phone.