Complain

I have a big problem with MTN this is my second month of not being able to pay my bill....since Everton , Southgate and mtn call centre are giving me different bill, tried to solve the issue since last month and today they suspended my sim card....after trying to get to them .....tried to contact Everton , southgate, head office and *******ion department ..and offered them the invoice agreement and bank statements.....still no help.....