Being charged for disconnected internet service

[Angem]

Hi there,
My internet service was cancelled on the 8 November 2019 by TPG (per email sent by TPG) as I did not choose to go onto NBN, yet I have been charged $49.99 every month since for a disconnected service totalling $399.92. I nearly died when I looked at my credit card statements.
I have emailed the customer service department requesting reimbursement of this amount for being charged by TPG for a disconnected service accompanied by the letter TPG emailed me last year notifying me they would be disconnecting my service on 8 November 2019.
I have had no response as yet from my last email & would really like this rectified ASAP.
Angelique Mclaren

[PeterW]

Hello Angem,
Thank you for your message and for being a part of the TPG Community.
For verification purposes can you please send me a private message (PM) by clicking on my name and provide the following information:
• Username
• Full Name
• Full Address
• D.O.B.
• Telephone No.
I will reply ASAP on receipt of the above.
Regards
PeterW
How To Private Message within the TPG Community:
https://community.tpg.com.au/t5/Welcome/How-do-I-private-message-PM-in-the-community/m-p/4093#M45
My TPG app for IOS and Android - https://www.tpg.com.au/download