New Postage Rates 2024 Australia. Use our online calculator to estimate the postage price and delivery time to send your letter within australia. Please note, letters may be delivered earlier than the timeframes shown on.

If you send an item 5kg or under in australia, using our flat rate packaging range, you’ll pay the flat rate postage based on the size of the package, rather than the weight and. Australia post has provided the australian competition and consumer commission (accc) with a draft notification proposing to increase the basic postage.