We did an article that you may find helpful, this will guide you on how to track your NBN service installation. How to track your TPG service installation
Once the NBN service installation is complete you may proceed on setting up the equipment or the modem/router. You may check this guide.
In this particular address, your address is classified by NBN Co. as Service Class 34, which means that it's NBN Fibre to the Curb (FTTC) serviceable and all equipment should be installed, that includes the NBN connection box.
In the event that customers are unable to find the NBN Connection box,the issue will be raised to our Provisioning Team and a case manager will be in touch to address the matter.
Please await further updates via email or phone call. Thank you.