You can check your NIN Slip, it has your 11 Digit Number at the top left corner, on the second row. You can also dial *346# and press 1 to retrieve your NIN.
Please note that...
My number is 08100232553. I slot my micro SIM card on my phone, it shows SIM Access Error. I have tried it in different phones, but it's still too w same.
My number is 07063804332. I slot my micro Sim card on my phone, it shows Sim Access Error. I have tried it in different phones, but its still too w same.
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...
