Home Postcodes by state NSW 2347 Postcode 2347 2347 is the postcode for 13 localities in NSW: Banoon, Barraba, Cobbadah, Gulf Creek, Gundamulda, Ironbark and 7 more. Localities with postcode 2347BanoonNSWBarrabaNSWCobbadahNSWGulf CreekNSWGundamuldaNSWIronbarkNSWLindesayNSWLongarmNSWMayvaleNSWRed HillNSWThirldeneNSWUpper HortonNSWWoodsreefNSW Postcode 2347 State or territory New South Wales (NSW) Localities 13 Council area Tamworth; Gwydir Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2346 · Postcode 2350