Home Postcodes by state QLD 4479 Postcode 4479 4479 is the postcode for Cooladdi, QLD. Localities with postcode 4479CooladdiQLD Postcode 4479 State or territory Queensland (QLD) Localities 1 Council area Murweh Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4478 · Postcode 4480