kadathinni postcode wa Home ›› Postcode Finder ›› WA ›› Kadathinni Kadathinni local listingsThe suburb of Kadathinni is located in WA and has a postcode of 6519. Free kadathinni business listing! Get the first free listing in kadathinni! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.