Step By Step Guidelines On How To Retrieve Lost Or Blocked MTN Transfer PIN Number\/Code. Step 1. Go to Your Message, Then create new Message and Type\u00a0Yes. Then send it to\u00a0556 Step 2. Wait for a few Minutes, MTN will send you a message exactly like this: welcome to share & sell, your default your new pin is 0000.MTN recommends you reset the pin. Then Text Your New Pin to 556. eg. 0000 2222 2222 and send it to 556,You will receive message that your pin has been reset Step 3. That\u2019s It!. Your Lost Or Forgotten Mtn Transfer Pin has been retrieved free without calling customer Care Service Or Pay to retrieve it.