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Thanks for your query!
Let me have a look for you, and I will get back to you ASAP.
There is also a new ''TPG Mobile APP'' to help you with various trouble shooting and account issues, via a mobile phone app.https://www.tpg.com.au/download
It says you will be on NBN-HFC.
Has NBN installed a black NTD box that connects to a coax socket, and are all the lights on it green?