AT&T is the account which can be accessed in case you must have 10 digit wireless number handy. All those members who are registered and having their account linked up user id and password of AT&T. For this you just have to give these details in marked section and access the account. After enrollment you will be given access to avail all services of AT&T online but if you do not have access to your ID then you are required to enroll yourself on website by selecting your account online in my AT&T. You are required to provide your details and complete the process of enrollment.
In case you don’t remember your access ID then you can find a new one based on your details of account and email address. The Access ID is also named as User ID or MY AT&T details of login