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How to Block All Unknown Callers on iPhone Automatically [2024]

Are you frustrated with getting scams, unknowns, and promotional calls and messages every day? To block each number manually is not possible when we have a busy schedule. These spam calls are very dangerous and frustrating. Due to the continuous spam calls you have to put your phone on silent and you might miss important calls from family and friends. You might be trapped in scams that pretend to be from your bank or other trusted sources.

To block and report each number will stop these calls, but the scammers and telemarketing companies have several different numbers to trouble you. Don’t worry in this article, you will learn the various methods to block all unknown calls on your iPhone.

How To Block All Unknown Calls On iPhone?

You can use the “Silence Unknown Callers” feature to block the numbers you don’t know. This feature allows the user to block those phone numbers that have never been contacted or saved in your contact directory. You can even receive calls from those numbers which are shared with you by email or text.

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Here are the steps to block all unknown calls on your iPhone.

Step 1: Go to your iPhone’s Settings.

Step 2: Then Click on Phone.

Step 3: Scroll down and select the “Silence Unknown Callers” option.

Step 4: Now turn on the feature by sliding the toggle to the right.

Silence Unknown Callers Iphone
  • By following these steps, you can block the unknown calls and the calls from unknown numbers are silenced and sent to your voicemail.
  • When an unknown caller calls you will not get any notification.
  • You can still see the missed call of the unknown caller in your recent call list.

Note: If you’ve made an emergency call, the “Silence Unknown Callers” feature will be temporarily disabled for the next 24 hours to allow your iPhone to be reached.

Activate DND Service: Block Spam Calls and Messages on iPhone

You can activate the DND (Do Not Disturb) service on your number, to avoid spam and promotional calls. Here are the steps to activate the Do Not Disturb service.

Step 1: Open the SMS app on your smartphone and type “START”

Step 2: Send this message to 1909 number.

Step 3: After sending the message, you will receive a reply from your service provider with a list of preferences with their codes. For example, Categories (1), Modes (2), etc.

Step 4: Reply with the preference number of the category that you want to block. You can also type 0 to block all categories.

Step 5: You will receive a confirmation message from your service provider “The DND service will start within 24 hours”

Step 6: Once the option is enabled, you will not receive any calls from spam and telemarketers that you have blocked.

By following these steps you can successfully activate the DND service on your device and get rid of spam and unknown callers.

Conclusion:

This is all about how to block all unknown calls on iPhone. You can use these steps to turn on the Silence Unknown Callers feature.

Remember, before you turn on this feature make sure you have saved all the important numbers in your contact directory.  So that you cannot miss phone calls that you don’t want to miss.

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