Here is how to block calls from unknown callers in iOS 10

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iOS strives to improve every day. With iOS 10, you now can do a lot of exciting things you previously considered impossible like customizing your lock screen or ask Siri for a ride in Uber. If you are now using an iPhone, chances that you get a call from unknown number, which may be a little bit annoying. Luckily, in iOS 10, there is a simple way to block unknown caller and no caller ID calls.


In this guide, we will walk you through the steps to block unknown caller and no caller ID calls on your iPhone running iOS 10 or later.

Steps to block unknown caller and no caller ID calls in iOS 10

Step one: First off, you need to launch the Settings app from your home screen. Once you are in, scroll down a little bit to Do Not Disturb and tap on it to proceed

Step two: Next up, all you need to do is to tap on the toggle next to Manual to activate Do Not Disturb feature on your iPhone

Step three: Once you are done, you need to tap on Allow Calls From and you will be presented with two options

  • Favorites: All your favorite calls will be allowed to call you
  • All Contacts: All contacts in your contact list will be able to call you

If you want to avoid receiving annoying calls from unknown callers, you need to select the “Favorites” option

Steps to block a phone number from Messages app

Step one: First off, you need to head to the Settings app from your home screen and go to the conversation for the person you wish to block

Step two: Once you are in, you simply need to tap the “i” icon on the top right corner of the screen

Step three: Next up, tap the contact’s name on the top. After that, you will be taken to the person’s profile page. All you need to do is to tap on Block this caller and then tap Block Contact from the pop-up menu to confirm.

Read next: Here is how you can share web content using Microsoft Edge in Windows 10

Got any questions? Let us know in the comments below.

  1. Richard Rupp

    August 25, 2017 at 6:50 pm

    The trouble with using Manual on DND is that all ringtones, message chimes, and notifications are shut off when the phone is locked. The “Silence’ option only has 2 options, neither of which allows the phone to ring when locked, and enabling Silence automatically enables Silence. So your phone never rings and you never know when you have gotten a message except when you happen to look at the screen. This is NFG.

  2. Richard Rupp

    August 25, 2017 at 6:51 pm

    I mean, enabling “Manual” automatically enables “Silence”.

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