Block or unblock calls from your device. Block anonymous calls.
ADD NUMBER TO BLOCK LIST: From the home screen, select the Phone app. Select the Menu icon, then select Settings.
Note: 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.
Select Call blocking.
Select ADD A NUMBER.
Enter the desired number to block, then select BLOCK.
Note: When a call is blocked, it is routed directly to voicemail. The call blocking feature may not affect phone calls made or received via third-party apps installed on your device. Please contact third party app developers for assistance with such applications.
REMOVE NUMBER FROM BLOCK LIST: From the blocked numbers list, select the Remove icon next to the desired number then select UNBLOCK.
BLOCK A PHONE NUMBER FROM THE CALL LOG: From the Call log, select and hold the desired phone number then select Block number. Select BLOCK.