My bill explained

Your final bill will show any outstanding credits, and any outstanding amounts you need to pay before your account can be closed off. It will also show any Early Termination Charges that apply.

You can pay any outstanding amounts using your preferred payment method. 
 

You will automatically receive a cheque refund for any amounts we owe you between $5 and $250.

For all other amounts, we will send you a final bill showing your credit amount. You should contact us and request that any outstanding amounts be refunded via cheque or credit transfer to a nominated account in your name.
 

We send your final bill by post so that you have a physical copy to keep for your records.

Make sure the postal address on your Telstra account is current. You can update it in Telstra 24x7 My Account.