MTN refuses to port number

I have had THE WORST experience with MTN over the past months. Trying to get my deceased husband's account in my name was the first disaster, as they didn't manage to do this for more than 6 months, but also decided to delete his number in the process. When I eventually (with the help of an exec) got my own number on prepaid, I needed to switch providers because there is very little MTN reception where I live. They are point blankly refusing to port my number. Vodacom has tried numerous times, we follow all the protocols, and MTN just cannot get it right. Their call center is now not a call center anymore as it is all automated - there is NO OPTION for number porting, and no one answers emails. Cresta and Ferndale on Republic MTN outlets refuse to help me and say it is a call center issue. I am at my end.