Welcome to TPG Community!
It'd be best to discuss the matter over the phone and we'll arrange one of our account specialists to contact you.
We have located an account using your community details, but we'd like to make sure that we got the right one. Please PM us your TPG customer I, username and complete old and new address together with your best contact number and most convenient time to receive a call.
To send a PM, please refer to this link: How do I private message (PM) in the community