Block or Unblock Calls
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Block or Unblock Calls
Block or unblock calls from your device. Block unknown 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 field then select Call settings. Select Call blocking & Decline with message, then select Blocked numbers.
Menu icon in the Search field then select Call settings. Select Call blocking & Decline with message, then select Blocked numbers.ADD A NUMBER: Select the
Add icon, then select the desired option.
• CONTACTS: Select Contacts then navigate to and select the desired contact(s).
• RECENT CALL: Select Call logs then select the desired number.
• NEW NUMBER: Select New number then enter the desired number.
• BLOCK PRIVATE NUMBERS: From the Call blocking & Decline with message screen, select the Private numbers switch.
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.