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How To Detect An Unknown Caller [3 Easy Ways]

Numerous individuals have encountered the inconvenience of receiving unsolicited calls or unfamiliar numbers, often not saved in their mobile contacts.

Addressing this issue can be quite vexing, prompting the search for effective solutions. In today’s discussion, we will explore various methods to counteract such disturbances.

To begin, let’s delve into the practice of concealing one’s phone number during a call. The “no ID” feature facilitates this process, rendering the recipient unaware of the caller’s identity.

Executing this is straightforward – dial *67 followed by the intended recipient’s number. By doing so, your caller ID remains concealed. It is worth noting that while this feature is commonly employed to protect privacy, some individuals misuse it for illicit activities.

We strongly caution our readers against engaging in any nefarious activities utilizing the no ID feature, emphasizing the importance of doing so at one’s own risk.

Moving forward, let’s explore the means to unveil the identity of an unknown caller, empowering you to subsequently block their calls.

Calling The Phone Company

man making call illustrator

Phone service providers typically maintain detailed records of your previous calls, providing a potential avenue for identifying unknown callers.

To leverage this option, contact your phone company and apprise them of the unwanted and unknown calls you’ve been receiving.

Upon notification, your phone company may activate a service designed to trace the identity of incoming calls from these sources.

It’s crucial to note that not all phone companies extend this particular service to their customers.

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Therefore, it’s advisable to proactively reach out to your phone company and inquire about the availability of such a feature.

Taking this step ensures that you explore all available options to address and mitigate the impact of unwanted calls, enhancing your overall telecommunications experience.


An effective method for unveiling the identity of unknown callers and blocking their numbers is through the use of TrapCall.

This application provides users with the ability to uncover any obscured number, along with associated details such as address and caller ID photo.

Subsequently, you can take control by adding these identified numbers to a blacklist, preventing them from reaching you.

When attempting to call, these numbers will receive a message indicating that the line is disconnected or out of service.

To avail yourself of TrapCall’s features, you can subscribe to their service on their official website and sign up.

Following this, the activation of the TrapCall service on your mobile phone is a straightforward process that can be completed in just a few minutes.

Compatible with both Android and iOS devices, TrapCall offers a free trial version, allowing users to explore its functionalities before committing to a subscription.

This user-friendly and efficient solution enhances your control over incoming calls, ensuring a more secure and tailored communication experience.


A widely embraced application with a substantial user base exceeding 150 million globally is employed for unmasking unknown callers.

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This app, accessible across various platforms, can be conveniently downloaded from your respective app store.

It is strongly advised against obtaining the app from untrusted sources on Google to ensure the security and reliability of the download.

Noteworthy is the app’s capability to disclose the identity of all unknown callers. Moreover, an upgraded version named True Messenger is specifically designed to unravel the identity of unknown message senders.

This versatile application enhances your ability to discern the origin of incoming calls and messages, fostering a more informed and secure communication experience. It is recommended to explore the app’s features through legitimate channels for a seamless and trustworthy user experience.


You can also block unknown numbers on your mobile phone. Phone manufacturers have made it possible for users to block numbers that they would like to.

If you are using an iPhone, here is how to block numbers on it.

  1. Go to the settings menu
  2. Scroll down and then select phone
  3. Switch ‘silence unknown callers’ off

If you are using an Android smartphone, here is how to block unwanted numbers.

  1. Go to the dialer
  2. Tap the vertical dots that you can find on the right-hand side
  3. Select settings
  4. Select block numbers
  5. Switch’ block unknown number callers’ on

How To Block Specific Numbers

When you can figure out an unknown caller’s number, you can easily block it with your phone.

  • iPhone users
  1. Go to the dialer and then locate the number you wish to block
  2. Tap on the ‘I,’ which has a circle around it near the number on the right
  3. Scroll down and then select ‘Block Caller.’
  4. The caller will then be sent a message that states that you cannot be receiving their calls.
  • Android users
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For Android, the method depends on the type of smartphone you are using and the version of Android on the smartphone. However, most of them can be done with the following steps.

  1. Open the dialer and then go to or logs
  2. Tap on the specific phone number
  3. Select the ‘I’ within the circle
  4. Select ‘Block’ down the screen
  5. Now confirm it.

In Android, the user of the blocked number will not know that they have been blocked.


In conclusion, we have discussed various methods to identify unknown calls and provided effective means to block numbers causing harassment.

We strongly emphasize to our readers that the feature of unmasking unknown callers should never be utilized for illicit activities.

Engaging in such actions carries inherent risks, and individuals should be aware of potential legal consequences.

Our primary goal is to empower readers with legitimate solutions for managing unwanted calls.

We trust that the information presented in this article proves beneficial in enhancing your control over your telecommunications experience.

Thank you for your attention, and we hope that this article contributes positively to your understanding of addressing and mitigating issues related to unknown callers.

Emmanuel Boakye Yiadom
Emmanuel Boakye Yiadom
Emmanuel is a tech blogger, cryptocurrency educator and can sometimes be found decorating cars because he is in love with arts. He also likes reading and blogging about what's happening in the tech world and loves to help people with their techs related issues in his free time.

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