How to: Check NIN Using Your Phone 2020, Link Your SIM to NIN (USSD Code)


The National ID is one of four valid means by which a citizen of the Federal Republic of Nigeria can identify his/her-self, and is a property of the National Identification Management Commission (NIMC). The NIN, meaning National Identification Number, is the unique code attached to each citizen. In most cases, the NIN is most important because this is the exact thing that links the individual to the NIMC system. This article will look at how to check your National Identification Number (NIN) using your mobile phone conveniently (USSD Code).

ALSO READ: How to Withdraw Cash from UBA ATM Using your Thumbprint (Biometrics)

Forgotten your NIN? Don’t remember where you kept your NIN slip? Not to worry, NIMC’s USSD service enables you to retrieve your NIN conveniently using your mobile phone.

To use this service, simply go through the following steps:
nin check ussd phone
  • dial *346#
  • from the options displayed, select “NIN Retrieval”, by typing in ‘1’, if you are using the same phone number you enrolled with for your NIN
  • follow the steps displayed on your screen and provide the required inputs
  • note that using this service attracts a N20 (twenty naira) fee only (deducted from your phone credit balance).

This, up here, is how to check your National Identification Number (NIN) using your mobile phone conveniently (USSD Code).

Simple Steps on How to Link your SIM to Your NIN

Now that the Federal Government, via the NCC has issued a 10-week ultimatum to the public to link their SIMs to their NIN, it is extremely necessary to know which codes will help you link yoour NIN to your SIM. Note that terms and conditions will apply.

MTN link mtn sim to nin

To link your MTN SIM/line to your NIN,

  1. Kindly dial *785# using the phone number you wish to link
  2. Enter your NIN and,
  3. Submit.


Dial *785*NIN# from the phone number you wish to link


Visit the MyMTNApp

AIRTEL link airtel sim to nin

To link your Airtel SIM/line to your NIN,

Just dial *121*1# to link your Airtel SIM to your NIN


Simply visit

GLO link sim to nin glo

To link your GLO SIM/line to NIN,

Simply go to your messages, create new message and type:

“UPDATENIN (space) NIN (space) FIRSTNAME (space) LASTNAME” to 109, for example, “UPDATENIN 23499384883 LASISI AGWU” to 109.

9MOBILElink sim to nin 9mobile

To link 9Mobile SIM/line to NIN,

Simply dial *200*8# on your 9mobile SIM, add the NIN when prompted and submit.


Simply visit their website at to follow up on the latest updates from them as they are yet to advise their customers on how to link straight from their mobile lines.

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