Learn how to set up or manage your user ID. You’ll need it to manage accounts and services online or sign in to the myAT&T or AT&T Smart Home Manager apps.
If you manage your accounts using myAT&T, you already have a user ID. If you have more than one account, you might have more than one user ID. Make sure to sign in with the ID for the account you want to manage.
You can access these accounts and apps with a single user ID: