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 via third-party apps installed on your device. Contact third party app developers for assistance with such applications.
In this tutorial, you will learn how to:
• Access blocked numbers
• Block and unblock numbers
• Block unknown callers
• Block and unblock numbers
• Block unknown callers
Access blocked numbers
1. From the home screen, select the 
Phone app.
2. Select the
Menu icon, then select Call settings. Select Call rejection.
Phone app.2. Select the
Menu icon, then select Call settings. Select Call rejection. Block and unblock numbers
BLOCK NUMBERS: From the Call rejection screen, select the 
Add icon. Enter the desired number, then select ADD. To add a number from the contacts list, select the Contacts icon. To add a number from the recent calls list, select the Recent calls icon.
Add icon. Enter the desired number, then select ADD. To add a number from the contacts list, select the Contacts icon. To add a number from the recent calls list, select the Recent calls icon.UNBLOCK PHONE NUMBER: Select the 
Delete icon. Select the desired phone number, then select DELETE. Select OK to confirm.
Delete icon. Select the desired phone number, then select DELETE. Select OK to confirm. Block unknown callers
From the Call rejection screen, select the Unknown number 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.