USSD Code To Hide Phone Number For All Network In Nigeria (MTN, Glo, Airtel)



People often ask Dosuggest chat – How do I make my MTN number private?, How do I hide my number when calling from Nigeria?, How can I hide my number to call? So we decided to do this tutorial to guide you.

USSD code to Hide Phone Number on MTN is *31#

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In today’s digital age, protecting your privacy is of utmost importance. One way to safeguard your personal information is by hiding your phone number when making calls or sending text messages. In Nigeria, where privacy concerns are prevalent, learning how to conceal your phone number can be beneficial. In this comprehensive guide, we will walk you through the step-by-step process of hiding your phone number in Nigeria, ensuring that your privacy remains intact.

Get Unknown Number

Step 1: Check with Your Mobile Service Provider

Before proceeding with any methods, it’s essential to check if your mobile service provider offers a built-in option to hide your phone number. Different carriers may have varying procedures or codes to enable this feature. Typically, this can be done by dialing a shortcode or navigating your phone’s settings. Refer to your service provider’s website or customer support for detailed instructions.

Step 2: Activate the Caller ID Blocking Feature

Most mobile phones have a built-in caller ID blocking feature that allows you to hide your number temporarily. To enable this feature on your smartphone:

How To Hide Phone Number on Android

  • Open the ‘Phone’ app, tap the three dots (menu),
  • select ‘Settings,’ then ‘Calls,’ and finally,
  • enable the ‘Additional settings’ or ‘Caller ID’ option.
  • Choose the ‘Hide number’ or ‘Hide my ID’ option to hide your number.

How To Hide Phone Number On iPhones

  • Go to ‘Settings,’ select ‘Phone,’ then ‘Show My Caller ID.’
  • Toggle off the switch to hide your number.

Step 3: Use Prefix Codes for Temporary Hiding

If your mobile service provider doesn’t offer an in-built option or you want to hide your number for a single call only, you can use prefix codes before dialing the desired number. The most common prefix code for temporary hiding is #31#. Here’s how you use it:

  • Open your phone’s dialer app.
  • Dial #31# followed by the recipient’s phone number you wish to call.
  • Press the call button, and your number will be hidden for that specific call.

Step 4: Using Third-Party Apps

Numerous third-party apps can help you maintain privacy during calls and text messages. These apps provide additional security features such as call encryption, private messaging, and temporary number generation. Some popular apps you can explore include Truecaller, Telegram, and Signal. Download the app of your choice from your device’s app store, follow the setup instructions, and enjoy enhanced privacy.

Step 5: Contact Your Mobile Service Provider for Permanent Hiding

Contacting your mobile service provider is the most effective option for those seeking permanent number concealment. They can activate a feature called ‘Permanent Caller Line Identification Restriction’ or similar, depending on the carrier. Reach out to your provider’s customer support through a call, email, or visit their physical store to make this request.


Protecting your phone number in Nigeria is crucial for maintaining your privacy and security in an increasingly digital world. Whether you need a temporary solution for a single call or prefer permanent hiding, the steps outlined in this guide will help you achieve your goal.

Remember to explore your mobile service provider’s built-in features first and consider third-party apps for added privacy. By taking these measures, you can enjoy peace of mind knowing that your personal information remains safeguarded from prying eyes. Stay safe, and keep your digital presence secure!


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