Step-by-Step Guide on How to Link Your NIN to Your Sim Card on Glo, MTN, 9Mobile & Airtel

  You can retrieve or check your National Identification Number NIN if you have registered already just by using USSD code on your phone.



You can retrieve or check your National Identification Number NIN if you have registered already just by using USSD code on your phone.




National Identity Management Commission ask Nigerians to use dial *346# to retrieve your NIN number on the line used during NIN REGISTRATION. Don't forget N20 charging fee though.
I decided to make this blog post days after Nigerian Communications Commission [NCC] give two weeks deadline for subscribers to provide valid National Identification Number (NIN) to update SIM registration records.

This USSD code is available for customers to all customers using MTN, Airtel, 9mobile and Glo networks.

To Confirm your mobile number (s) registration status to avoid being blocked by NCC. Follow the following steps


Please use the below link to update your NIN number on your MTN registered number or numbers.

This give MTN an avenue to have update of your NIN number.

1. First Step: click on the link below


2. Second Step: fill out the form as seen below

3. Third step: Enter the OTP sent to your line for final submission as seen below:



  • Airtel subscribers only; Use this number to link your NIN number to ur Airtel line: *121*1#


  • Glo 
  • You can now link your National Identification Number (NIN) to your mobile number as a Glo subscriber.

  • Simply send "UPDATENIN NIN FirstName and LastName" to 109.

I hope this helps. Do drop your comments below Incase you need assistance.

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