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Is there a difference between an unknown call not in my contacts and a call with no contact information? It says only Unknown, and when I click on the information icon, no return number is listed. Is there a way to block calls that don't have a phone number associated with them?

ATTHelp

Community Support

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225.7K Messages

6 months ago

Hello @Mrprudhom, we understand you want to block unwanted calls and not receive calls from "Unknown" callers who do not have a number displayed.

Below we have provided useful information to help you with your concerns.

Reject anonymous calls

Anonymous Call Rejection (*77) stops calls from people that use a blocking feature to keep their name or number from being displayed. When Anonymous Call Rejection is turned on, callers will hear a message telling them to hang up, turn off the blocking feature, and call again.

Your phone won’t ring unless the caller removes the block.

Helpful info

Anonymous Call Rejection stays on until you turn it off.
Call from private numbers on your Personalized Ring or Selective Call Forwarding list will be accepted.
Call ls that display as Unknown or Out of Area on Caller ID will be accepted. These displays mean that the call is coming from an area where Caller ID isn’t available.
Anonymous Call Rejection does not block Operator Assisted incoming calls.
Caller ID is required in some areas.

Please let us know if this information was helpful.

DiajhanaeJ AT&T Community Specialist

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Mrprudhom

Active Armor

ATTHelp

Reject anonymous calls

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