@Ankita Katdare • 06 Dec, 2015
In November 2012, a loyal member of CrazyEngineers Community @Manish Goyal (a Computer Science Engineer) asked a simple question 'How does TrueCaller work? and we all started discussing how we thought things worked. It was very new 3 years back, but now a lot has changed. Today, thousands of users keep the TrueCaller app installed and running on their phone to avoid getting calls from unknown numbers. In May 2013, an interesting thing happened - the company's co-founder and CEO - Alan Mamedi registered with us to address our concerns and shared how the app works. You can read his responses and our entire discussion here:
How does true caller work? | CrazyEngineers

A few months later, people started posting about how they wanted to 'unlist' their number from TrueCaller as no one felt good about someone keeping a number of their names and locations and people getting to access it openly. Then, a few CEans shared the process of unlisting or removing a number from TrueCaller app. That gave rise to another counter question -

Could we unlist any random number from TrueCaller and not just ours? Incidentally, the answer is a 'yes'. That's quite surprising! App developers need to remember that users will always find a way to 'game' the system and they need to make the system foolproof to avoid misuse.

Note: The TrueCaller developers have made the appropriate changes and now proper verification is required to remove a number from the database.

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Q. How to remove or unlist a number from TrueCaller?

It is possible to erase your number completely from the TrueCaller database. However, one needs to remember that - once you delete or remove the number - you can no longer use the TrueCaller app. (It works on the rule that you need to be in the system to take an advantage of the system.) Follow these steps:

1. Deactivate the TrueCaller app from your smartphone. Here's how you can do it:
  1. Android users need to open the app and click on the people icon in top left corner. Choose Settings, click on 'About' and deactivate your account.
  2. iPhone users need to open the app and click on the cogwheel in the upper right corner. Choose About Truecaller and scroll down to the bottom to find the deactivate button.
  3. Windows Phone users need to open the app and click on the ’3-dot menu’ at the bottom right corner and deactivate the app from 'Settings'.
(This works for any kind of smartphone be it a Windows Phone 8, Windows 10 Mobile, Symbian, Tizen, Android, Blackberry, Nokia X etc. smartphone.)

2. Once that is done, go to the URL - www.truecaller.com/unlist
3. Enter your phone number, choose the reason for unlisting your number.
4. If none of the options apply to you, type your reason in the Other textbox.
5. Enter the verification code (CAPTCHA) to prove you are a human.

Screen Shot 2015-12-06 at 7.26.15 PM
TrueCaller Unlisting Form Screenshot

That's it!

TrueCaller typically takes up to 24 hours (it can vary to up to 48 hours in some cases) to officially unlist or remove your number from its database. Check back from your friend's mobile number (who has TrueCaller installed), you will find that their app will show no result about your details.

I hope you find this useful. If you have any doubts or questions, feel free to ask them below.
@Kaustubh Katdare • 06 Dec, 2015 Really useful information! I didn't know that true caller allows people to remove number from Truecaller. I'm however curious to know whether the number removed from Truecaller is removed forever? What would happen if I unlist my number from their database and a new user signs up with me as a contact?

Would true caller add me again or do they maintain a separate list of contacts that are removed from true caller? Also, if you remove your number and contact details - can you still use their service? I think they work on give and take basis.
@lal • 07 Dec, 2015
Ankita Katdare
Note: The TrueCaller developers have made the appropriate changes and now proper verification is required to remove a number from the database.
I think no verification is required still. I tried unlisting a couple of numbers. Guess it worked although I didn't see any confirmation message.

In my opinion, there shouldn't be any extra verification process required when they show your personal number out there to the public without asking you!
@Ankita Katdare • 07 Dec, 2015
lal
I think no verification is required still.
That's strange. The company has officially mentioned it on their site that -
If you have verified your phone number, you first need to deactivate your account in the app. This is to ensure that it is the actual owner who wishes to unlist their phone number.
Why are they going against their own words? May be we need to try removing our own different numbers without the 'deactivate your account' phase. What say?
@lal • 07 Dec, 2015 Oh well, none of the numbers I unlisted used their app. May be that's why those numbers could be unlisted.

By installing the app, user may be agreeing to share their number and unlist it only by the mentioned process. Doesn't apply to anyone who doesn't use the service, I assume.
@Radhika Deshpande • 07 Dec, 2015 • 2 likes Thanks for sharing this. I unlisted my number immediately. It creeps me out to know that someone is storing these details.
lal
when they show your personal number out there to the public without asking you!

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