Welcome to TPG Community!
I've managed to locate your account using your Community details and it showed that you are a long time customer of ours and we truly appreciate that.
We regret to learn that you are wishing to disconnect your service with us. Our Accounts team will be the one to assist you further with your request.
Could you please let us know your best call back number and availability to receive a call via private message so we can organise a contact to be made?
Should you not find the email in your inbox, kindly check your spam/junk folder.
The subject of the email is: TPG Telecom Customer ID/Username:29XXXXX
Let me know if you are still unable to find it.