What Does *31 Do on a Landline? How to Block Caller ID Easily

Learn how to use *31 on a landline to block your caller ID and make private calls without revealing your phone number.

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Using *31 on a landline blocks your caller ID for that particular call. If you want to make a private call without revealing your phone number, dial *31 followed by the number you wish to call. This feature is useful when you need to maintain privacy and prefer not to disclose your number to the recipient.

FAQs & Answers

  1. How do I block my caller ID on a landline? Dial *31 followed by the phone number you want to call to block your caller ID for that particular call.
  2. Does *31 block caller ID on all landlines? *31 works on most landlines to block caller ID, but availability may depend on your phone service provider.
  3. Can I permanently hide my number on a landline? You can contact your phone provider to enable permanent caller ID blocking, but using *31 allows you to block your number selectively per call.