I want to retrieve the number I used for nin urgently because I've problem accessing my nin

You can retrieve your NIN by dialing *346# on the phone number you registered with and it will cost you N20. To link your NIN, please dial *785# and select 1

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I am deeply sorry for your missing line. Kindly contact your bank to prevent an authorized access to your bank account if the line is linked to your bank accounts. Sim swap by...