Following the directive of federal government of Nigeria, which mandates all network providers in Nigeria to ensure all their subscribers update their information with their individual’s National identity Number (NIN).
Here are top 3 network providers in Nigeria namely MTN, GLO and Airtel making the process easy for everyone by providing short code which you can comfortably dial on your phone and update your information.

MTN SUBSCRIBERS

All you just need to do is dial *785# on your phone and insert your NIN or use myMTNApp.

GLO SUBSCRIBERS

For GLO SUBSCRIBERS, simply go to your sms and type “UpdateNIN, NIN(i.e your NIN number), your first name, Last name” send it to 109.

AIRTEL SUBSCRIBERS

For AIRTEL SUBSCRIBERS, simply dial *121*1# and follow the prompts
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