Managing your account online.
You can keep track of your data and Add-ons, register a card or top-up in My3. Don’t have a My3 account? Visit Registering your My3 account.
- You can check your balance by clicking Check account balance underneath Account balance on the My3 homepage. Checking your balance will let you know how much credit you have in your account.
- If you're using an Add-on, you'll be able to find out how much of your allowance you have left and when the Add-on is due to expire.
You can access your My3 account online and by using the Three App.