How to block phoe numbers in 2018

Keeping in touch with family and friends has become easier and faster thanks to our Android smartphones. However, not all people who can contact us through our mobile phones are people that we love and cherish; some are spammers, annoying strangers, telemarketers, and other unwanted callers. You don’t need to suffer these unwanted calls. Block them!

How to block a phone number with built-in call blocking features

Most Android phones have a native way to block specific numbers. There didn’t used to be a generalized way to do this, though, so manufacturers often had to build the feature into their own software skins.

This is why the procedure can be unique on your specific device, as it varies from phone to phone. Needless to say we can’t go into detail about the necessary steps for blocking calls on every single phone out there, but we can give you an idea and show you how it’s done with the most popular devices.

Stock Android

If you want to know how to block a phone number on a stock Android handset like the Google Pixel or the older Nexus 6P, you’ve come to the right place. There are two ways to do this. The simplest one is to open your Phone app and access the section containing your recent calls. Long press on any of them and select “Block number”.

The second method consists of opening the Phone app and tapping on the 3-dot menu icon on the top-right corner and selecting “Settings”. From the menu, just hit “Call blocking” and add the numbers you want blocked.

Some carriers make it easier!

Want to really get rid of those annoying callers? Doing it from your phone works, but what if you switch handsets often? Maybe you want this done in a more systemic way. Some carriers allow you to block specific numbers on a service level. And this does include the 4 major carriers in the USA (Verizon, AT&T, T-Mobile and Sprint).

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There are some limitations to these, though. For example, Verizon only allows up to 5 blocked numbers per line. AT&T also does it on a device-by-device basis. On the other hand you have T-Mobile, which only allows blocking with family plans. And then there’s Sprint, which seems to be more helpful about doing this.

Call blocking on Samsung phones

block calls on samsung phones

Most of you likely have Samsung phones, so you might be wondering how to block a phone number. They are the biggest Android smartphone manufacturer, after all. Trying to get rid of those pesky callers? Let’s show you how.

  1. Open the Phone app.
  2. Select which number you want to block and hit “More” (located on the top-right corner).
  3. Select “Add to Auto-Reject List”.
  4. To remove or make more edits, go to Settings > Call Settings > All Calls > Auto Reject.

Call blocking on LG phones

block calls in LG phones

Now we’ll show you how to block a phone number if you own an LG phone. The process is pretty similar to the other phones we’ve shown you, but there are slight differences. Here we go:

  1. Open the Phone app.
  2. Tap the 3-dot icon (top-right corner).
  3. Select “Call Settings”.
  4. Select “Reject Calls”.
  5. Tap the ‘+’ button and add the numbers you want blocked.

Call blocking on HTC phones

Block phone calls in HTC device phones

  1. Open the Phone app.
  2. Press and hold the phone number.
  3. Select “Block Contact”.
  4. Select “OK”.
  5. You can remove them from the blocked list on the People app.

Third-party apps for blocking phone calls

If your Android phone doesn’t have an in-built call blocking feature or if it does but you find it lacking, you might be wondering how to block a phone number using another method. Thankfully, you can choose one from the many third-party call blocking apps on the Google Play Store. Of particular note are the Mr. Number app, Call Blocker app, and Calls Blacklist app.

Mr. Number

call blocking app mr number

Mr. Number - Caller ID & Spam Protection
Mr. Number - Caller ID & Spam Protection

Mr. Number allows you to block unwanted numbers, and there is no advertising in it. It also protects against spam, can mute the sound for individual contacts and even make the phone inaccessible to the world.

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Here is an approximate instruction for using Mr. Number:

  1. Download, install and run the Mr. application. Number. Click OK to continue.
  2. Select your country and enter your number. Click OK to continue.
  3. To start blocking contacts, click “No” or the lock icon in the upper right corner of the screen where you can edit the black list.

There are three tabs: Snooze , Voice Mail and Exceptions

When a contact listed on the Hang Up tab tries to call you, your phone will automatically Hang Up the call. Callers listed under Voicemail will have their calls redirected to the voicemail box. You can add numbers to the Hang Up and/or Voicemail tabs in various ways:

  1. Suspected spam
  2. All private/blocked numbers
  3. Choose from recent calls or texts
  4. Enter a number
  5. Choose from contacts
  6. All numbers not in contacts
  7. All numbers beginning with…
  8. All numbers in contacts
  9. All numbers

The Exceptions tab lists contacts that will not be blocked or redirected. So, if you want to keep in touch with your family and friends while keeping the strangers and spammers at bay, register your family and friends’ contact numbers under the Exceptions tab.

You can also block contacts right from the app’s main screen. Under the Recent tab, which shows the history of received calls and text, tap the Menu button beside each log entry and select Block Number. A popup will appear, asking you whether to block the contact or redirect all the contact’s calls to your voicemail. You can also mark it as a spam number and add a comment about the blocked contact number. A notification will appear every time the app intercepts a blocked contact. The history of blocked contacts will be displayed under the Blocked History tab on the app’s main screen.

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Call Blocker

block calls NQ call blocker

Another convenient application is Call Blocker. In it, you can disable advertising if you buy a premium version (it also comes with additional features such as secure storage of your sms and call logs on the server).

Here is an approximate instruction on how to use Call Blocker:

  1. Download, install and run Call Blocker application. Click Agree to continue.
  2. Go to the main menu and click Blocked numbers.
  3. Click the add button.
  4. The screen displays white and black lists. Click Add number to add a contact. You can add a number from contacts, call history, SMS, or enter the number yourself.

Calls Blacklist

blocklist call blocker app block calls

Last but not the least on our list is the free and ad-supported Calls Blacklist, a very simple app for keeping a list of contacts that you don’t want to allow to contact your phone. An ad-free premium version is also available for about US$3.00.

To block calls with Calls Blacklist, just launch the app and add a contact number to the Blacklist tab. You can add a number via your Contacts, call logs, or messages log, or add numbers manually. And, that’s it! Contacts saved under Blacklist won’t be able to call your Android phone anymore.


In this day and age, home landlines are pretty much extinct, meaning that spammers, telemarketers, and other unwanted callers have a new target: your mobile phone. Thankfully, call blocking is possible on our Android phones or via third-party apps from the Google Play Store. Hopefully the guide above helped answer the question of how to block a phone number — if not, be sure to reach out in the comments and we (or another commenter) will do our best to help you out!


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