Unable to resovle cancelled contract and billing

I've made numerous HP complaint and phoned Autopage on a number of occasions to try and stop a debit order from going off each month of a contract no longer with Autopage. I was wrongfully debited at the end of December and January for a number which has been ported to Vodacom. Since then it has been nearly impossible to have the money that was deducted from my bank account refunded to me. Is there any person working at Autopage that can sort this out? Ref number 588062, 603520 and 599070