In this article, I am updating all possible methods to check your O2 balance in UK Number. You can either go for the mobile app, USSD code (self-care code), balance inquiry number, online O2 account or customer care.
I hope this information is sufficient to check your O2 balance, remaining minutes, data balance and validity.
- O2 Check Balance (MMI/USSD code): *#10# (payg)
- Download My O2 App: https://www.o2.co.uk/help/apps/my-o2-app
- O2 Number to Know your Balance: 4444 (payg)
- Register or Login: https://accounts.o2.co.uk/ (monthly and payg)
- O2 Customer Care Details: https://www.o2.co.uk/contactus
