yilkari postcode wa Home ›› Postcode Finder ›› WA ›› Yilkari Yilkari local listingsThe suburb of Yilkari is located in WA and has a postcode of 6430. Free yilkari business listing! Get the first free listing in yilkari! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.