How to Link NIN to Your MTN SIM: 6 Easy Methods

How to Link NIN to Your MTN SIM. Is your MTN SIM at risk of disconnection? Learn how to link your National Identification Number (NIN) to your MTN line with our simple step-by-step guide.


Don’t get disconnected! Here’s a comprehensive guide on how to link your NIN to your MTN SIM card in Nigeria using USSD, SMS, Online Portal, MyMTN App, WhatsApp (Zigi), and the NIMC Mobile App.

Read also: MTN Corporate Data Code and How to Check Balance.

Introduction: Link Your NIN to MTN Quickly.

As an MTN subscriber in Nigeria, linking your National Identification Number (NIN) to your SIM card is crucial to prevent deactivation. The deadline for NIN-SIM linkage may have passed, but it’s still essential for uninterrupted service.

If you’re receiving those pesky disconnection warnings, don’t worry! This guide will walk you through the simple process of linking your NIN to your MTN SIM.


How to Check Your NIN on MTN Network.

Before we dive into the linking process, let’s make sure you have your NIN handy. Here’s how to retrieve it:

  • USSD Code: Dial *346# on your MTN phone.
  • Choose Option 1: Select “Retrieve NIN”.
  • Follow the prompts: Provide any required details. Your NIN will be displayed on the screen (note: there’s an N20 charge for this service).

5 Ways to Link Your NIN to Your MTN SIM

Now, let’s get to the main part! Choose the method that suits you best:

  1. USSD Code:
    • Dial *785# on the phone number you want to link.
    • Generate your VNIN (Virtual NIN) using option 3.
    • Select option 1 to submit the VNIN.
    • Wait for a confirmation message.
  2. SMS:
    • Text “NIN [Your 11-digit NIN]” to 785. (Example: NIN 12345678901)
  3. MTN Online Portal:
    • Visit the MTN NIN linkage portal (
    • Click “Link my NIN” and fill in the form with your VNIN and other details.
    • Follow the on-screen instructions.
  4. MyMTN App:
    • Download the MyMTN App (Android/iOS).
    • Sign in with your MTN number.
    • Tap the “Link your NIN” banner.
    • Enter your NIN and submit.
  5. MTN Zigi on WhatsApp
    • Add Zigi’s number (09033000001) to your contacts.
    • In WhatsApp, go to “Services” > “NIN Services”.
    • Select “Myself”, and enter the OTP sent to you.
    • Choose option 1, enter your VNIN, and wait for confirmation.

How to Generate Your VNIN (if you don’t have one)

  • NIMC Mobile App: Download, log in with your NIN, create a PIN, and select “Get Virtual NIN”.
  • USSD: Dial *346#, select option 3, and enter your NIN and MTN’s Enterprise ID (109071).


Linking your NIN to your MTN SIM is a quick and easy way to ensure seamless connectivity. By following these steps, you can avoid the inconvenience of a disconnected line.

If you have any issues, don’t hesitate to contact MTN customer support for assistance.