Postcodes Australia - Version 1.00 A very handy Postcode look-up and reference tool. No longer have the burden of wasting precious time by using postcode books. This program once loaded will install itself in the system tray next to the clock. Information is now just a mouse click away. With no effort, you can search by suburb, by postcode or just simply browse through the sorted lists of over 13,000 locations in Australia.