Billing for services not delivered and not terminating the account

I moved house ,to a house where there is no telkom line. I logged on telkom as required to terminate the service in oct 2018 but telkom are not terminating the account. My reference number is ********** 8 on account ********** 08. Telkom kept on billing me for services I am not using. I am grieved after using telkom for 9 years.

Please assist.