austral postcode nswst Home ›› Postcode Finder ›› NSWST ›› Austral Austral local listingsThe suburb of Austral is located in NSW and has a postcode of 2179. Free austral business listing! 1Austral Public SchoolEdmondson Rd 02 960603122Unity Grammar School70 Fourth Ave 02 960698263Transpet Australia406 Bringelly Rd (02) 9606 6655 View more business listings in austral Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.