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How to Block Anonymous Calls

February 5, 2024 by admin Category: How To

You are viewing the article How to Block Anonymous Calls  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

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This article has been viewed 48,079 times.

Are you receiving a lot of incoming calls from hidden phone numbers? Telemarketers, creditors, and even exes can hide phone numbers, not letting you know who’s calling. If you’re experiencing harassing calls, take control by blocking those annoying calls. See Step 1 below to learn more.

Table of Contents

  • Steps
    • For Mobile Phones
    • For Landlines
  • Advice

Steps

For Mobile Phones

Image titled Block Unknown Callers Step 1

Image titled Block Unknown Callers Step 1

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Call your cell phone company. Ask about the services they offer to block unknown numbers. Many such services cost a few dollars a month and are billed monthly, but service availability and options may vary for each carrier.

  • Not all services allow you to block incoming calls from strangers, and can only block calls from numbers you can see. [1] X Research Source
Image titled Block Unknown Callers Step 2

Image titled Block Unknown Callers Step 2

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Install a call barring app. If you are using an iPhone or an Android phone, you can set this app to automatically block calls from unknown numbers. The most popular apps are Call Contrp (Android) and Call Bliss (iPhone) [2] X Research Source

  • Call Contrp is an Android application that allows you to automatically block harassing calls and advertising companies over the phone. These phone numbers are reported by other users around the country. You can also use a Privacy Mode that only allows incoming calls from numbers in your Contacts.
  • Call Bliss is an iPhone app that automatically mutes all unwanted calls, allowing you to easily ignore calls with unknown numbers.
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Image titled Block Unknown Callers Step 3

Image titled Block Unknown Callers Step 3

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Use the Do Not Disturb function on your iPhone. “Do Not Disturb” allows you to mute all calls except those you allow. This can be helpful in ignoring unknown numbers, but you also won’t receive important call notifications from numbers you don’t know.

  • Open Settings and then select Do Not Disturb.
  • Open “Allow Calls From” and select “All Contacts”.
  • You can turn on Do Not Disturb manually, or set a schedule within 24 hours. The Do Not Disturb function does not always allow calls from contacts only. You should know that any other incoming calls will also be muted.
Image titled Block Unknown Callers Step 4

Image titled Block Unknown Callers Step 4

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Sign up for the call trap service. This is a paid service with the function of forcing callers to show a phone number. The most popular service for iPhone and Android is TrapCall.

For Landlines

Image titled Block Unknown Callers Step 5

Image titled Block Unknown Callers Step 5

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Enable Anonymous Call Rejection. This function will block incoming calls with hidden phone numbers. This service is usually free when you have an Incoming Calling Number activated on your phone line. Anonymous callers will be instructed to call back with the displayed phone number.

  • If you have Anonymous Call Rejection on your phone and reside in the US, it can be activated by dialing *77. You can disable this function by dialing *87. [3] X Research Sources
  • If Anonymous Call Rejection cannot be activated, you can contact your service provider. You may be charged a fee to add an Incoming Phone Number to the service.
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  • Image titled Block Unknown Callers Step 6

    Image titled Block Unknown Callers Step 6

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    Use TrapCall. Initially this service was only used on mobile phones, now TrapCall is available on landlines. You can add a home or office phone number to the TrapCall service from the TrapCall Dashboard.

    • Click on My Phones to add a landline number.
    • You can set up call traps by calling your service provider. They can only do this if you can prove that you are being harassed, and will usually cost a fee.
  • Advice

    • If you are receiving harassing and threatening calls from an unknown number, you can notify your service provider. These calls will be investigated on a law enforcement basis.
    • While residing in the United States, you can register a phone number online at the Do Not Call Registry published by the Federal Trade Commission. You can add your mobile number and residence number to the list. This can reduce the number of marketing calls by 80 percent.
    X

    This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.

    The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

    This article has been viewed 48,079 times.

    Are you receiving a lot of incoming calls from hidden phone numbers? Telemarketers, creditors, and even exes can hide phone numbers, not letting you know who’s calling. If you’re experiencing harassing calls, take control by blocking those annoying calls. See Step 1 below to learn more.

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