south-yilgarn postcode wa Home ›› Postcode Finder ›› WA ›› South-Yilgarn South Yilgarn local listingsThe suburb of South Yilgarn is located in WA and has a postcode of 6426. Free south yilgarn business listing! Get the first free listing in south yilgarn! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.