st-george-ranges postcode wa Home ›› Postcode Finder ›› WA ›› St-George-Ranges St George Ranges local listingsThe suburb of St George Ranges is located in WA and has a postcode of 6728. Free st george ranges business listing! Get the first free listing in st george ranges! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.