Block and Unblock numbers
1. From the Phone app, select the Menu icon
then select Settings
> Call screening
> Manage black list
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.
UNBLOCK: From the Blocked numbers screen, select the X icon next to the desired number then select UNBLOCK.
• 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.