No Help Regarding Billing Issues

I have been struggling for ages with MTN and my account. It has now reached the point where my line has been suspended. After terminating a contract back in December 2016 and paying the early cancellation fees, I was informed that my debit would not run as I had over-paid for the termination. A few months down the line, MTN suspends my line saying I had missed a payment, then double debits me and I am back online. Now around the same time this year, I get suspended again and MTN refers me back to the scenario in early 2017 regarding the supposed "missed payment", which they had in fact double debited me for.

Their call centre is unable to explain what has happened. Most of the time when you call, they are "offline". And to make matters worse, where I have tried to call to cancel another contract, which has run its term, to bring my monthly costs down, they have also been unable to assist as every time I call they are offline. And furthermore, it seems impossible to cancel insurance either as their insurance administrators do not answer their phones.

So I will be getting myself a new number and no further payment on this account will be made until the aforementioned issues are resolved to my satisfaction.