Home Postcodes by state QLD 4712 Postcode 4712 4712 is the postcode for Duaringa, QLD. Localities with postcode 4712DuaringaQLD Postcode 4712 State or territory Queensland (QLD) Localities 1 Council area Central Highlands Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4711 · Postcode 4713