Caller ID

​​Identify unknown numbers, spam, or companies calling before picking up! See the true identity of each incoming call anywhere in the world - landline, mobile, or pre-paid!

Truecaller’s Caller ID will identify any number - domestic or international. There is no need to panic when you get an unknown number calling, as Truecaller will automatically detect the name of the person calling, their location, if they are a spammer and more!

Identify Unknown Callers Automatically with Truecaller

Over 420 million people have experienced the future of communication with Truecaller. It’s time to join this community!

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Explore Truecaller's Caller ID

Caller ID

When an unknown caller calls you, Truecaller's Caller ID will not just identify their name. Truecaller will also show you, where possible, the location of the caller, whether they are a business or not and a profile picture. With our advanced machine learning technology, we can even tell you whether it is likely an important call, or if it’s someone you might know. Now make informed decisions before receiving calls with Truecaller.

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Truecaller's Caller ID

True Colors for Caller ID

Truecaller Caller ID Screen Colors:

Now, you make split-second decisions to receive calls with Truecaller’s Caller ID. You can know whether it's a Standard, Spam, Priority, or a Business Call immediately because of the different screen colors Truecaller’s Caller ID screen has! Know your True Colors:

  • Blue shows a standard call.
  • Red is for a spam call.
  • Purple is a priority call.
  • Green is for calls from Verified Businesses
Truecaller's Different Coloured Caller IDs

After Call Screen

After every call, you will get a screen that gives you an option to do the following in just one click each:

  • View the user’s profile on Truecaller
  • Call them right back
  • Message them
  • Save the contact
  • Block the number immediately
Truecaller's After Call Screen with Number Blocking Shortcut

Custom Responses

Not every time we can receive all the calls we get. With Truecaller, you can send in default messages like ‘Sorry, can’t talk right now’, or ‘Can’t talk now. Call me later?’ as well as send in more customized responses to your caller instead of just rejecting the call. You can find this option on the call screen, at the bottom, between the call accept and reject buttons.

Custom Responses with Truecaller

Full Screen vs Classic Pop-up Caller ID

You can choose what type of caller ID you want while using Truecaller. Choose between a Full-Screen Caller ID, which gives all the caller details across your whole phone screen, and the pop-up caller ID option where there would be a pop-up details box on your phone call screen. Choose as per your convenience what type of caller ID you would like.

To choose, go to Settings from the right top menu > Caller ID > Choose the Style.

Truecaller Caller ID - Full Screen vs Popup Caller ID

Call Reason

Add a personal touch to your calls using Truecaller's "Call Reason" feature. Clearly communicate the purpose of your call, setting the tone for productive and meaningful conversations. You can select from preset templates as well to put in your ‘call reason’! This can be done for one particular call or if you are someone who makes a lot of calls, a generic call reason could be set up from

Settings > Calls > Call Reason toggle on.

Call Reason Screen on Truecaller for Incoming Call

Video Caller ID

You can now surprise your family or friends with a short video while calling. Don’t worry if you aren’t great at making selfie videos, you also get to choose from a couple of templates. For it to work seamlessly, you need to ensure 3 things – have the Truecaller app, give permission to use your phone camera, and have a great internet connection! You can read more about the Video Caller ID feature here.

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Video Caller ID with Truecaller

Identify Unknown Calls & Messages on WhatsApp, Telegram*

Now with Truecaller, you don't have to worry about getting unknown calls and messages on different messaging apps like WhatsApp and Telegram*. For this feature to work, you have to go to

Settings > Calls > Identify calls on other apps toggle on

*On Telegram, we only support message sender identification

**Please note that the features described here are developed and provided by Truecaller independently.

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Caller ID for WhatsApp with Truecaller

Why Should Everyone Download Truecaller

1.1 Trillion Incoming Calls Identified by Truecaller in 2023

We have one of the highest call-identifying success rates globally

46.9 Billion Spam Calls Detected by Truecaller in 2023

We strive towards making communicatio­ns safer, and alert you regarding possible frauds!

51.6 Billion In App Calls Made from Truecaller in 2023

Not just identificati­on, you can even make calls through Truecaller seamlessly

Get the Best Caller ID Now!

Over 420 million people have experienced the future of communication with Truecaller. It’s time to start trusting your ringtone again.

Download the Truecaller App Today

Our Premium Features

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Look professional when you make calls

Gold Caller ID

Get noticed when you call everyone

To identify calls and block spam, Truecaller needs to be set as the default caller ID and spam app. Ensure you do so, for seamless, efficient, and safe daily communications!

You need to go to Settings in the top left corner > Caller ID > Enable button in troubleshoot Caller ID section > Select Truecaller

Truecaller's Caller ID works by leveraging a vast and constantly updated database of phone numbers. When a call is received, Truecaller analyzes the incoming number and cross-references it with their extensive database, which includes information crowdsourced from users, public directories, and other sources. The system then provides users with relevant information about the caller, such as their name and location, allowing users to make informed decisions about whether to answer the call or not. Additionally, Truecaller's algorithms continuously learn and adapt to improve accuracy and keep up with changes in phone number ownership and identification. Overall, Truecaller's Caller ID relies on a comprehensive and dynamic database, along with advanced algorithms, to identify and provide information about incoming calls.

In addition to its caller identification process, Truecaller prioritizes data safety and privacy. The platform employs stringent measures to secure user information and ensures that personally identifiable details are safeguarded. Truecaller adheres to strict data protection protocols, emphasizing user privacy and security in the handling of the vast database used for caller identification purposes.

two screens - one for android and one for iOS, showing truecaller identifying an incoming phone call
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Trust your communicatio­n with Truecaller.

Trusted by over 420 million people, Truecaller is proud to be a leader in caller ID and spam blocking software as well as research around call and SMS harassment.