You can retrieve your PUK via the USSD Self-Service by simply dialing *123*7*3# or dial *123# (MTN’s self-service USSD dial) on any MTN line and follow the prompt of inputting...
I have a SIM card that I don't know it's phone number again and the SIM is barred, what do I do to get the number? Here is how the sim serial ends: 40115307