Large C4 Prepaid envelope withdrawal

From 1 July 2025 Large C4 prepaid envelope will no longer be available to buy from postal outlets or online.

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Letter deliveries have changed

From 15 April 2024, estimated delivery timeframes for regular and priority letters have changed. Please note, letters may be delivered earlier than the timeframes shown on our website as we make progressive delivery model changes across the country through to the end of 2025.

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Choose from 3 business letter delivery services

Postage costs for letters are determined by size, thickness and weight. Delivery times vary depending on the delivery speed you choose for your letter, and where it's sent from and where it's headed.

If you send more than 300 letters at a time, you may be eligible for lower prices. See our bulk mail services.

Regular1

  • 3-5 business days same state
  • 4-7 business days interstate
  • Use a prepaid envelope or your own envelope with a stamp/s
  • Postage from $1.70
Regular letters

Priority1

  • Up to 3 business days same state
  • Up to 4 business days interstate
  • To send as Priority, affix one Priority label next to the postage stamp/s or on a prepaid envelope/s
  • Postage from $1.70 plus $1.00 for a Priority label
Priority letters

Large volume business letters

If you send 300+ letters at a time within Australia, you may be eligible for lower prices.

Learn more

Not a business customer?

See our personal sending options for sending a letter within Australia.

1 While we endeavour to meet this timetable, the actual delivery speed will depend on where in each state/territory the item is being posted from/to, and the level of congestion in our delivery network at the relevant time. All delivery times are based on the number of business days items take to arrive following the day of posting. See delivery times for specific routes.

2 Next business day delivery is only available within the Express Post next business day delivery network. The national next business day delivery network operates between capital cities (excluding Darwin; and, for Perth, delivery into the CBD only) and some major centres. Express eParcel is not covered in the Express Post guarantee.

3 Track events will vary depending on how your item is lodged and delivered. For details visit our tracking service.

4 Express Post comes with up to $100 compensation included. Additional charges for Extra Cover apply. Extra Cover provides you with cover for the specified value of your item (up to $5,000 or part thereof) if your item is lost or damaged while being carried by Australia Post. Visit optional extras for more information. Subject to the Australian Consumer Law, Australia Post does not accept liability for any consequential or indirect loss or damage arising due to any failure related to our service. Neither the compensation included with our service nor the purchase of Extra Cover limits any rights you may have under the Australian Consumer Law.