How to block unknown callers in iPhone?

I have someone who calls with a blocked phone #, and unknown as the caller id. Since there is no phone number, i cannot block this caller. Can you show me how to stop these calls?


[Re-Titled by Moderator]

iPhone SE, iOS 12

Posted on Jun 6, 2024 8:17 AM

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Question marked as Top-ranking reply

Posted on Jun 6, 2024 8:28 AM

Check with your cell phone provider to see what spam blocking services they offer. This will prevent the call from even getting to your phone. Your phone can either:

  • Block call from known number
  • Restrict calls to only those in your Contacts list


You can activate some of the cell provider's features on you phone by reviewing this Support Article:

Block or avoid unwanted calls on iPhone - Apple Support

3 replies
Question marked as Top-ranking reply

Jun 6, 2024 8:28 AM in response to Toniakmiller

Check with your cell phone provider to see what spam blocking services they offer. This will prevent the call from even getting to your phone. Your phone can either:

  • Block call from known number
  • Restrict calls to only those in your Contacts list


You can activate some of the cell provider's features on you phone by reviewing this Support Article:

Block or avoid unwanted calls on iPhone - Apple Support

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How to block unknown callers in iPhone?

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