1. Login to your AT&T Account.
5. Select On.
6. Enter the toll-free Nomorobo Number shown in your Nomorobo account. Click Add.
7. Select Save.
8. After you've completed those steps, go back to your Nomorobo Account.
9. Your number will now be listed as "Protected".
If you're having trouble, please call AT&T U-Verse customer support at 1-800-288-2020.