
Truecaller Code is a unique feature that allows you to identify unknown callers and block unwanted calls. It's available for both Android and iOS devices.
To use Truecaller Code, you need to enable it in the Truecaller app settings. This will start sending and receiving SMS codes from Truecaller.
Truecaller Code sends an SMS with a unique code to the caller's phone, which is then used to identify the caller. This process happens in real-time, so you can get the caller's details instantly.
The Truecaller app uses this code to fetch the caller's information from its vast database. This includes phone numbers, names, and even social media profiles.
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Getting Started
To use TruecallerJS, you'll need to install it using npm.
You can install TruecallerJS using npm.
If you're using a version of truecallerjs that's older than 1.1.2, you should refer to the truecallerjs-v1.1.2 documentation for instructions.
For versions 1.1.3 to 1.1.5, you'll need to refer to the truecallerjs-v1.1.5 documentation instead.
Features
Truecaller's features are quite impressive, and I'm excited to share them with you. The TruecallerJS library allows you to retrieve detailed information about a phone number, including the owner's name and location.
You can use TruecallerJS in various programming languages like Node.js, JavaScript, and TypeScript. This makes it a versatile tool for developers.
One of the standout features of Truecaller is its caller ID online service, which provides real-time information about the caller's identity. This can be a huge help in identifying unknown phone numbers.
Here are some of the key features of Truecaller:
- Phone Number Lookup: Retrieve detailed information about a phone number.
- Support for Node.js, JavaScript, and TypeScript: Use TruecallerJS in your projects.
- Simple and Lightweight: Easy to use and won't slow down your device.
Truecaller also has a call alert feature that lets you know who's calling even before your phone rings. This uses data or Wi-Fi to send a notification from the caller's phone to yours, so you can prepare before the call comes through.
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Safeguard Your Inbox with Passcode
Truecaller's Passcode for Messages adds a layer of safety and security to your inbox.
You can set it up to ask for a passcode whenever you or anybody else tries to open the message inbox on your phone.
This feature reclaims your privacy, preventing prying eyes from reading messages meant for you.
It's like having a secret code that only you know, so you can keep your personal conversations private.
Searching and Filtering
You can perform bulk searches on multiple phone numbers using the truecallerjs package. The truecallerjs.bulkSearch() function is used for this purpose, where the phone numbers are separated by commas.
The countryCode and installationId parameters are also required, specifying the default country code and installation ID, respectively. For more details, refer to the documentation for logging in and obtaining the installation ID.
With Truecaller, you can also identify unknown phone numbers by reverse number searching in the Truecaller app or website. This feature is particularly useful for identifying and blocking unwanted spam calls.
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Bulk Phone Number Search
Bulk Phone Number Search is a powerful feature that allows you to search for multiple phone numbers at once. Truecaller's truecallerjs package supports this feature, making it easy to identify unknown numbers.
To use bulk search, you'll need to separate the phone numbers with commas and specify the default country code and installation ID. The truecallerjs.bulkSearch() function is the key to performing bulk searches.
Here's an example of how to use it: you can pass an array of phone numbers to the function, and it will return the results in real-time. This is especially useful when you need to search for a large number of numbers.
The truecallerjs package also allows you to specify the default country code and installation ID, which can be obtained by logging in to the Truecaller app. This ensures that your searches are accurate and reliable.
Truecaller's caller ID online provides real-time information about the caller's identity, both individuals and businesses. This means you can get instant answers to your search queries, even with bulk searches.
Here are some key benefits of using Truecaller's bulk search feature:
- Identify unknown phone numbers by reverse number searching in the Truecaller app or website.
- Get real-time information about the caller's identity, both individuals and businesses.
- Block unwanted spam calls easily with Truecaller.
Call Alert

The Call Alert feature is a game-changer for anyone who's tired of getting interrupted by unwanted calls.
Truecaller's Call Alert feature lets you know who's calling even before your phone rings, so you can set it on silent if you want to ignore it or move to a quieter place if you want to talk.
This feature uses data/Wifi to securely send the alert from the caller's phone to yours as soon as a call is made to you.
Since data/Wifi is faster than a regular cellular network, the notification reaches you first, before the actual call comes through.
You can disable this feature whenever you want, so it's totally up to you whether you want to use it or not.
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Entering the Code
To start the Truecaller registration process, you'll need to enter the code you received. Enter the code in the designated field.
Wait for the one-time password (OTP) to appear in the "Code from SMS" field, then enter it in the Truecaller verification screen to complete registration.
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Messaging
Messaging is a crucial aspect of staying connected with others, and there are several ways to do it effectively.
You can use Truecaller as your main SMS app or instant messaging app to send and receive texts, identify spam text messages, and more.
Truecaller offers a range of features that make messaging more efficient and secure.
By using Truecaller, you can block unwanted calls and texts, and even report suspicious numbers to the community.
This can help keep your phone and personal info safe from spam and scams.
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Phone Numbers with Prefix
To set up Truecaller for phone numbers with prefix, you'll need to login with your credentials, which you can obtain by searching for the number "123" in Truecaller.
If you're using a business phone that adds different digits at the beginning or end of your incoming calls, you can use Truecaller to replace or remove these digits.
To do this, go to the Truecaller page where you can set Truecaller to replace digits on a phone number you search for. This could be a phone number you search for during manual search or incoming/outgoing number lookup.
You'll need to enter the digits you want to replace or remove from the beginning of a phone number in the first input field. For example, if your corporate phone switch system adds 01# to the beginning of all your incoming calls, you can enter 01# here.
If you leave the second field empty, Truecaller will simply remove the specified digits from the phone number. You can also replace them with something else, like your country code.
You'll also need to enter the digits you want to remove or replace at the end of the phone number in the next input field. For example, if your corporate system adds *202 to the end of all incoming phone numbers, you can enter *202 here.
Enter the Code
To enter the code, you'll need to wait for the one-time password (OTP) to appear in the "Code from SMS" field.
The OTP is sent to you via SMS, so make sure you have your phone nearby to receive it.
Once you receive the OTP, enter it in the Truecaller verification screen to complete registration.
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Example and Usage
To use the truecaller code, you'll need to install the truecallerjs package via npm.
First, make sure to log in using the truecallerjs login command and obtain your installation ID using the truecallerjs -i command.
You can then use the truecallerjs package to search for a phone number by creating a search_data object with the necessary parameters, including the number, country code, and installation ID.
The truecallerjs.search() function will provide various methods to access the returned data.
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