Block and Unblock numbers

BLOCK: From the Phone app, select the menu Menu icon then select Settings > Blocked numbers. 

Step 1

Select ADD A NUMBER. Enter the desired number then select BLOCK. 

Note: Alternately, from the recent calls tab, select the desired call > Block number > BLOCK. 

step 2

Call Protect

To automatically block calls from likely fraudsters, get alerts on suspected spam, and manually block calls learn more about AT&T Call Protect. Free for eligible users.