INCORRECT AMOUNT DUE

I called edger as i wanted to know my acc balance after i paid the whole amount that was due i told them to cancel billing insurances and they adv me that they where cancelled.I recieved a statement saying im owing,i called them and they told me its insurance charges when i asked how come the stupid consultant told me they will do a call retrieval and give me feedback and i will wait for 30 working days and i did wait but no feedback brought back to me, i called yesterday and they put me on hold those idot and after droped a call without any feedback and i called again today with the same query these *******s droped a call on me again

im still waiting for their respond