Stamps
Get information on stamps including prices, concession, collectables, Christmas and personalised.
What is a letter?
Letters sent within Australia can only contain flexible items no thicker than 5mm for small letters and no thicker than 20mm for large letters. If your letter is larger than our maximum size and weight, or contains rigid or inflexible material, it will be considered a parcel.
Delivering for global reach
Send parcels anywhere in Australia and to 220+ overseas destinations with Australia’s most reliable network.
Delivering for local support
Get help when you need it at the Post Office, via online support, or by phone during business hours.
Delivering for sustainability
We have a fleet of 5,000+ electric vehicles delivering across our network.
Choose from the delivery speed, coverage and cost that works for you
Everything you need to get your item to its destination
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Envelopes and satchels
View our choice of envelopes including prepaid envelopes and postcards, and plain envelopes in a range of sizes.
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MyPost
Take control of your deliveries with MyPost – it's free and easy to track, redirect and manage parcels from one secure account.
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Are you a business customer?
View our range of domestic business letter services, including low volume sending and bulk mail.