This should be in the email we sent you reminding you that we were changing to a new online account. On the email, it’s under the heading “To access your account you will need:”. Please check your email again and if you still don’t have this you can contact 03451 55 11 55. When you speak to an adviser please tell them you need your account number to sign up for an online account. Alternatively, you can send an email to email@example.com .