How to block unknown calls on iPhone?

Last updated: August 5, 2023

We can sometimes find ourselves in awkward situations with unknown calls on iphone. If these calls in themselves are not a problem, where it becomes annoying is that often the goal is to sell us things, to scam us or quite simply it is advertising.

But, like everyone else, you probably don't want to be bothered by these kinds of calls. So in this article, we give you several methods that will allow you to end unknown calls on iPhone.

Mute unknown calls on iPhone

The first thing to know is that on the Apple side, we take the security and above all the peace of mind of users very seriously and that we soon realized that unknown calls on iPhone was a real problem !

So measures have been taken and you will simply be able to ensure that your iPhones go silent when you receive these calls. Be careful, we are not talking here about blocking them completely.

You will still be able to receive calls. The only thing that will change is that your phone will not ring when it does and this call will therefore automatically go to your voicemail.

So, if it was an important call, he will have plenty of time to leave you a message so that you can call him back later. So that's a pretty cool solution to this problem.

To be able to use it, you must have iOS 13 or an newer version and to set it up, you will have to follow the following steps:

  • Go to SettingsAnd in Telephone.
  • Scroll down until you have the category Silent stranger calls.
  • Then validate Silent unknown calls to set up this option.

Use an App to Block Unknown Callers on Spam iPhone

This first method with respect to unknown calls on iPhone is very effective, but as we told you before, it does not solve everything. Indeed, we can always contact you.

If you ever want to get rid of unknown calls on iPhone that you know are ads, there is a second method, that is to go through a third-party application who will handle this.

Several applications exist for this purpose and allow you to set up lists of numbers that will be blocked. For this, these applications rely on data sites of numbers known to be spam calls.

Therefore, for block unknown calls on iPhone you can trust apps like Truecaller. It's probably the best known of the lot and it will block hundreds of numbers.

Block calls manually if they are too insistent

Block unknown calls on iPhone via lists by applications, it is the most effective way to ensure some peace of mind. But this is not a method that works 100%.

This is because unknown spam calls on iPhone that just arrived are not always listed. Likewise, if you want to block a number from someone you don't want to talk to, that won't work either.

In this case, it is possible to block a specific number from your phone to prevent it from contacting you. For it,

  • Open the Phone app.
  • Go to the Recents tab.
  • Click on the small “i” next to the contact.

  • Then choose the option to block it.

How to block hidden calls on iPhone

Some telemarketers and unwanted callers mask their phone number to become unrecognizable.

To block these callers, you can put your device in Do not disturb and only allow calls from your contacts saved in your directory.

Here are the steps to follow:

  • Open the app Settings.
  • Go to Concentration.
  • Look for the submenu Do not disturb.
  • Enable Do Not Disturb, then scroll down to view the menu Allow calls from. Set the tolerance to Contacts only.

By doing this, you won't have to put up with calls from hidden numbers.

What if he continues by Message or email?

If you can block unknown calls on iPhone by hand, this is also the case for emails or even SMS. For messages, click on the contact. Then scroll down to the option to block.

For your emails, open in one of the person concerned. Next, touch the contact's name and choose to block them. This will block it on all of your Apple devices connected to your email address.


There you go, now you know how to fight unknown calls on iphone. You have several weapons to prevent these calls from bothering you again in the future.

As you can see, there are different ways. Each has its advantages and disadvantages. All you have to do is choose the method that seems best to you in relation to your situation.

cropped dimitry
Since his childhood, Dimitry has been passionate about video games and new technologies. His dream was to contribute to this fascinating field. Today, this dream is a reality. Dimitry writes for FunInformatique, sharing his passion and expertise with our readers. He collaborates with our passionate team to produce IT guides and resolve technical issues, all in a clear and accessible way for all our visitors.