What can I do to get my Sim blocked because of NIN, need help

Please, I am presently in Canada. I have tried to Linked my MTN to the NIN with no way out. My line has been blocked.. My MTN is 08038011583. Please I need help

Please I urgently need your assistance to help me unblock this my sim, It was blocked due to NIN, here is the number: 09130292598

I really need help with my Sim card