![[Updated] How to Retrieve and link your NIN to your Airtel, Glo, MTN and 9Mobile](https://www.trillplay.com/wp-content/uploads/2021/01/USSD-codes-to-link-your-NIN-number-to-your-Mobile-Lines.jpg)
[Updated] How to Retrieve and link your NIN to your Airtel, Glo, MTN and 9Mobile Sims Using USSD CODES
Recently, the Nigerian Communications Commission (NCC) had mandated the telecommunications company in the country to block all sim-cards that are ...