How to Block a Number on Android: A Comprehensive Guide


Receiving unwanted calls and messages can be a nuisance, especially when they come from unknown or spammy numbers. Not only do they disrupt our daily activities, but they can also be a security threat. Fortunately, there are several ways to block a number on Android and prevent these unwanted calls and messages from bothering you any further.

In this article, we will guide you through the process of blocking a number on Android. We will provide useful tips, safety advice, and real-life examples, as well as review the most popular apps for blocking calls and messages on Android.

Step-by-Step Guide

Blocking a number on Android may vary slightly depending on your device model and operating system version, but the overall process remains the same.

  1. Open the Phone app on your Android device.
  2. Find the phone number you want to block in your recent calls list or your contacts list.
  3. Tap and hold the phone number until a menu appears.
  4. Select the option to block the phone number.
  5. If desired, review any additional settings for call blocking.

That’s it! Now whenever that phone number tries to call you, their call will be automatically blocked without ringing and you won’t receive any notifications of a missed call.

Alternatively, you can also block a phone number by going to your device settings and selecting the “Block numbers” option. From there, you can enter the phone number or select it from your contacts list to block any future calls or messages from them.

App Reviews

If you want more advanced call blocking features, you may want to consider using a call-blocking app on your Android device. Here are some of the most popular apps for blocking calls and messages:

Mr. Number

Mr. Number is a free app that offers advanced call and text blocking features, such as blocking calls and messages from private or unknown numbers, setting personalized blocking rules, and scheduling when you want to receive or block calls. The app also provides a “Community Blacklist” feature, which automatically blocks calls and messages reported by other users as spam or fraud.


  • Free with no ads
  • Easy-to-use interface
  • Advanced blocking features


  • Does not block VoIP calls
  • May not be compatible with all devices and operating system versions

Call Blocker

Call Blocker is a simple app that allows you to block unwanted calls and messages by adding them to a blacklist. You can also set up a whitelist to allow certain numbers to get through. The app provides options to block calls and messages from private, local, or international numbers.


  • Free with no ads
  • Simple and straightforward
  • Provides basic blocking options


  • May not be compatible with all devices and operating system versions
  • Does not have advanced blocking features or call tracking


Truecaller is a popular app that not only blocks unwanted calls and messages, but also identifies who is calling you before you answer the phone. The app uses a vast database of phone numbers and user reports to recognize and block spam calls and messages. You can also use Truecaller to search for phone numbers and connect with people.


  • Free with ads or premium version available
  • Advanced call identification and blocking features
  • Provides additional services such as phonebook backup and call recording


  • May compromise user privacy by collecting personal data and contacts
  • May not be compatible with all devices and operating system versions

Other notable apps for blocking calls and messages on Android include:

  • Whoscall
  • Blacklist Plus
  • Should I Answer?

If you want to download any of these apps, simply search for them in the Google Play Store or click the link provided in each description. Note that some apps may offer premium features for a fee.

Video Tutorial

For those who prefer visual instructions, we’ve created a video tutorial that shows you how to block a number on Android step-by-step. Check it out below:

We hope this tutorial helps you block unwanted calls and messages on your Android device with ease!

Comparison Chart

Here is a comparison chart that shows the features and functionality of the most popular apps for blocking calls and messages on Android. Note that this chart is for reference only and may not be comprehensive.

Safety Tips

When dealing with unwanted calls and messages, it’s important to stay safe and protect your personal information. Here are some safety tips to keep in mind:

  • Never disclose personal information, such as your social security number or credit card details, to unknown callers or senders.
  • Do not click on links or download attachments from unknown callers or senders, as they may contain malware or phishing scams.
  • Use common sense and be cautious when dealing with unexpected or urgent calls or messages, especially if they ask for sensitive information or demand immediate action.
  • If you’re being harassed or threatened by a caller or sender, report it to the authorities and seek help from a trusted friend or family member.

Real-Life Examples

Blocking a number on Android can be helpful in many real-life situations. Here are some examples:

  • Stopping spam calls and telemarketers: Many telemarketing companies and spam callers use automated systems to make mass calls to random phone numbers. By blocking their numbers or adding them to a blacklist, you can avoid these unwanted calls and messages.
  • Avoiding harassment: If you’re being harassed by someone through calls or messages, you can block their number to prevent them from contacting you. This can be especially helpful for victims of domestic violence or stalking.
  • Maintaining privacy: If you want to keep your personal phone number private from certain people or organizations, you can use call blocking to screen your calls and only answer from trusted sources.


We hope this comprehensive guide on how to block a number on Android has been helpful to you. Whether you prefer to use the built-in call blocking feature or a third-party app, there are many options available to prevent unwanted calls and messages from bothering you. Remember, staying safe and protecting your personal information is always the top priority.

Leave a Reply

Your email address will not be published. Required fields are marked *

Proudly powered by WordPress | Theme: Courier Blog by Crimson Themes.