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Calling & contacts/
Block Calls
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RED Hydrogen One (H1A1000)

Block Calls

Block or unblock calls from your device.


  1. 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.

    Step 1

  2. Select Call blocking.

    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.

    Step 2

  3. Selected ADD A NUMBER. Enter the desired number, then select BLOCK.

    Note: Alternately, select ADD FROM CONTACTS then select the desired contact.

    Step 3

  4. REMOVE A NUMBER FROM THE BLOCKED NUMBERS LIST: Select the Remove icon next to the desired number, then select UNBLOCK.

    Step 4

  5. BLOCK A PHONE NUMBER FROM THE CALL LOG: From the Phone app, select the Recents tab > drop-down icon next to the desired call > Block > BLOCK.

    Step 5

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