Welcome to TPG Community!
We were able to locate your account using your community details and it appears that your NBN service is awaiting to be activated.
Do you have an NBN NTD ARRIS box on the premises? If you do, we've created an article that will guide you on how to set it up. Here's the link.
Once everything is properly connected, then advise us of the light status of the NBN NTD ARRIS box.