block no caller ID on iPhone
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How to Block No Caller ID on iPhone?


Often you receive calls on your iPhone with no caller ID. There, you cannot know who is calling unless you call your mobile service provider or use an unmasking app.

So, you pick up the call out of curiosity, and there is a telemarketer pitching something.

Or there is somebody on the other side which is annoying to you.

Either way, most no caller ID calls are unwanted, and you need some ways to save yourself from them.

Here, you’ll learn how to block no caller ID on iPhone. Also, you’ll find a bunch of call-blocking apps for iPhone.

What Does “No Caller ID” Mean?

You have two situations when you cannot know who is calling you. First, when “Unknown Caller” appears on your iPhone screen. Second, when “No Caller ID” appears on your phone.

In the first scenario, you get a call from a number that isn’t on your contact list.

In the second instance, the caller used a phone masking feature to hide their number from you. As a result, your phone is unable to display its phone number.

In short, when you receive “No Caller ID” on your screen, the caller does not want you to know their number.

Yet, you can know the identity of “No Caller ID” if you call your mobile service provider or use an unmasking app. Next, you can block the withheld numbers on your iPhone.

How to Block No Caller ID on iPhone?

Frustrated with unwanted calls that always have “No Caller ID”? Then, it’s best to block them. Here are all the tricks you can use.

Do Not Disturb

One of the best ways to block no caller ID on an iPhone is to activate “Do Not Disturb” mode on your iPhone.

Here’s how you can do it.

  • Find your phone “Settings” and tap it.
  • Press the “Focus” icon in your “Settings”
  • Tap on “Do Not Disturb” mode on the next screen
  • After that, tap on “People”
  • Now tap on “Allow Calls From”
  • Next, select “All Contacts”

Now, you’ll receive calls only from your contacts, and you’ll never receive calls from unknown numbers or people who have masked their caller ID.

Interesting Read: 15 Cool iPhone Hack You Never Knew About

Silence Unknown Callers

Newer versions of iPhone, such as iPhone X, iPhone 11, iPhone 12, and iPhone 13, have this feature. But you’ll never find it on iPhone 8 or lower versions.

When you use the “Silence Unknown Callers” feature, you don’t receive calls from numbers that are not in your contact list. But you receive their call record in your “Recent.”

Also, calls from unknown numbers go directly to your voice mail instead of ringing on your phone. If someone records a message, you receive a notification. So, you can check your voice mail if you want to.

Here’s how to enable this feature.

  • Press the “Settings” icon
  • Choose the “Phone” option
  • Press the “Silence Unknown Callers”
  • Turn on the “Silence Unknown Callers”

Use a Fake Contact

Your phone cannot block hidden numbers because they are not recognizable to your phone. But you can make your iPhone recognize hidden numbers using a fake contact.

Here’s the procedure.

  • Open your “Contacts”
  • Press the plus icon to add a new contact
  • Type “No Caller ID” as your contact’s name
  • Enter “000-000-000” in the digit area of this contact
  • Tap “Done”
  • Now, open your newly created contact
  • Next, tap on “Block This Caller”
  • Now, tap “Block Contact” for confirmation

From now on, your iPhone will block every call with “No Caller ID.”

Use Show Me the Number Service

People with malicious intentions do not want to show their caller ID and mask their number using features on their phones.

But you can unmask No caller ID using  Show Me the Number – Unmask No Caller ID if you live in the UK.

This service will divert or reject calls from “No Caller ID.” Next, you’ll receive the number of the caller through a text.

Once you have the number, you can decide your next course of action. Either you can directly call the police and inform them about the caller, or you can text the caller that you will report them to the police. Such a threat works in most cases, and the caller will stop calling you.

Third-Party Call Blocking Apps

You can install third-party apps and block spam callers, along with the identity of callers who hide their identity.

Here are the best third-party apps for your iPhone.

Robo Shield

It is an advanced app that:

  • Shows you the identity of the caller
  • Filters call using a spam database
  • Block numbers automatically
  • Allow you to find more information on a specific number


Truecaller has too many positive reviews, and it has an amazing service. The following are the features you can use.

  • Caller ID (free)
  • Spam call blocking (free)
  • Profile creation (free)
  • Extensive and detailed call history (free)
  • Who Viewed My Profile (premium)?
  • Contact requests
  • Incognito mode (premium)
  • Call recording (premium)


If you are frustrated by too many unwanted callers who hide their identity, use all the above methods to Block the No Caller ID on your iPhone. On the other hand, install a trusted third-party app if you want to use advanced features for call blocking and caller information. It’ll serve you the best. Moreover, you can also get the best smartphones for privacy to protect your phone from infringement of information.

Also, if you need an app that allows you to call anywhere in the world at the cheapest rates, use Talk Home.

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