Following the directive by the Federal Republic of Nigeria for all phone users and Sim cards owners in Nigeria to link their SIM with their National Identification number; various networks in the country have released guidelines for their customers to also key into this directive by the Federal Government.
The major network providers in Nigeria MTN, GLO, AIRTEL AND 9MOBILE/ETISALAT have all provided codes and easy to comprehend step-by-step procedures to go about it as a Nigerian.
However, before one can successfully check this to be sure of their NIN, they must have registered their NIN prior to checking for the code, and it is also important to use the same phone number that was used for the NIN registeration you did at the NIN center or perhaps online.
For 9mobile users or Etisalat users, this is how to check your NIN with your 9mobile number;
If you have registered for NIN and perhaps you have forgotten your national identity number. Simply Dial *346#
Here you have it a complete guide on how to link your NIN to your 9mobile line. Do Ensue you link your 9mobile SIM to avoid being blocked or disconnected.