Hi Ukpapi, you can check if you have the correct MTN message center number on your SIM.
On your phone, visit your message settings, select SMS or Text Messages, then choose MTN...
My line was barred from making calls and also receiving calls and sms because it was not link to nin,now that i have done the nin have been trying to link it but the otp code to...
Send NIN in capital leters with your Nin number as a text msg to 785, that should link it, if it dosnt it just either means your NiN isn't validated cos it takes 3months for...
