doonbah postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Doonbah Doonbah local listingsThe suburb of Doonbah is located in NSW and has a postcode of 2473. Free doonbah business listing! Get the first free listing in doonbah! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.