Telkom cancellation

Hi. I’ve been struggling for 6 months now trying to cancel my Telkom ADSL & telephone line. I am still getting billed every month. Any advice/recommendations as to whom I can contact?
I have forwarded our record of correspondence to social @Telkom and hp@telkom in June. We got billed again yesterday.
Due to this “outstanding account” I was denied a home loan by FNB...