How to Block a Number on ATT
Mobile phone users may try to keep their phone number private. If you find yourself receiving calls from telephone solicitors or unwanted people on your AT T phone, you can sign up for a service to block them and/or join the “Do Not Call” registry. Find out how to block a number on AT T.
Part One of Four:
Research the Number Edit
Part Two of Four:
If you have an iPhone with iOS7 Edit
Part Three of Four:
Join the Do Not Call Registry Edit