Double billing not sorted

<p>I app**** to port my prepaid number to a contract and when the sim and phone arrived it was a completely new number. That number was immediately cancelled on 26 June and a sim with correct number issued. On my invoices however i was being billed for both even though one is nonexistant. Later on i was told that cancellation was only processed on 4 July and that i have to pay for usage, this after speaking to several departments on several dates and no one really knows whats going on or who to speak to. On 12 August my line was cut of and only opened after i explained my situation, a call was also logged with back office but to date i have heard nothing from them. Today i received an sms saying payment was not received and service will be discontinued. After 33minutes on the phone with several depts they said legal closes at 5 they cant help me(16:50 at that time). Till today i am being billed for a number and phone that i dont have</p>