Being billed for account closed last year

<p>I've just been informed that I owe Telkom R1500 for an account I've sent notification of closure on 2 separate occasions. I've moved from this residence and therefore should not be being billing. I've even gone into a branch and provided proof that I've closed the account. Without fail Telkom always messes up when it comes to billing. This is why I'll never let them be my service provider.</p>