Block and Unblock numbers

BLOCK: 
1. From the Phone app, select the Menu icon menu then select Settings > Call screening > Manage black list. 

Step 1

2. 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

UNBLOCK: From the Blocked numbers screen, select the X icon next to the desired number then select UNBLOCK.

step 3

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.