AT&T Home Phone: How to Use Call Block and Screening – Call Block/Call Screening is a feature that allows you to block phone numbers within your local calling area for your traditional home phone service. Traditional Landline Star Codes and Calling Features – Learn what star codes you can use and when to use them.
Update your local telephone number. For your protection, we don’t change home phone numbers online. Contact us so we can help. Change your local or long distance calling plan and service. To see the plans available in your area, contact us. We’ll help you select the right one for you.