telkom keep billing and my account is closed

<p>good day</p> <p> </p> <p>i am still currently recieving invoices and saying that i owe Telkom.i have now also put a stop order at my bank.telkom after so much interactions to cances my account why are you still billing me when my account is supposed to be closed</p> <p> </p> <p>these are all my reference numbers:</p> <p>AI272023</p> <p> ********** 5</p> <p> </p> <p>case numbers:</p> <p> ********** 4</p> <p> ********** 4</p> <p> ********** 5</p> <p> ********** 4</p> <p> </p> <p> </p> <p>i am now getting emails to say quote this refrence number and pay your account: ********** 90</p> <p>telkom please sort out your accounts and stop billing me .</p>