Insurance - Consumer Complaint for Vodacom - Head Office

My insurance amount change every month at the moment I am paying more for insurance then my phone itself I would please like to be contacted A.S.A.P call centers and vodacom stores are not much of a help been to vodacom store twice for the month already my bill is so high first they told me my phone is a open line contract which I ddnt give permission for now it's the insurance I need answers please I would also like to close my contract with vodacom