How Do I Cancel My Account?? -- 5 Months Later

Hi Hilary (Social Media Manager)<br> <br> I have been trying to cancel my ADSL contract since October last year and have tried various channels ( I have been to the Claremont branch twice, Called numerous times, Emailed various addresses). I have already overpaid a month (In December) and I am currently overseas and I have still been getting billed. - Account Number: ***.<br> <br> Thanks.