You'll find your account number on your latest bill.
It’s a combination of two letters followed by eight numbers. It’ll look like this: CC 4000 3210.
If you can’t find your account number, go to Previous bills in My Account to find it on a previous bill or chat to an advisor now.
Your account number is a valuable piece of information as you need it to access your online account.
We can only give an account number to the account holder, so we’ll need to take you through some quick security questions first.