1. Go to 'username retrieval tool'.
2. Enter your 10-digit phone number.
3. Answer the security verification question. Make sure to write the answer in the same pattern. Letters, which are in uppercase, need to be entered in uppercase and same for lowercase letters.
4. You will see your master account email address. Your username would be all the words before @ in your email address. If you wish to create a new password, then click 'create password' button.
For more support: