Block or unblock calls from your device. Block anonymous calls.
INSTRUCTIONS & INFO
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.
Block and Unblock numbers
BLOCK: From the Dial tab in the Phone app, select the Menu icon in the Search fieldthen select Settings. Select Block numbers.
The following options are available
ADD PHONE NUMBER: Enter the desired number then select the Add icon.
CONTACTS: Select Contacts then navigate to and select the desired contact.
BLOCK UNKNOWN NUMBERS: Select the Block unknown callers switch.
RECENT CALL: Select Recents then select the desired number.
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.