The account number is different than the manager account ID or account ID. Account numbers are an eight-digit mix of numbers and letters. To find your account number:
1. From the top menu, select Tools > Accounts.
2. Click Account Summary in the left nav
3. Do one of the following:
a. If you have one account, the account number is shown on the Accounts tab in the Account section.
b. If you have more than one account:
1. Click Account Summary in the left nav
2. See the Account number column in the table.