south-carnarvon postcode wa Home ›› Postcode Finder ›› WA ›› South-Carnarvon South Carnarvon local listingsThe suburb of South Carnarvon is located in WA and has a postcode of 6701. Free south carnarvon business listing! Get the first free listing in south carnarvon! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.