south-kumminin postcode wa Home ›› Postcode Finder ›› WA ›› South-Kumminin South Kumminin local listingsThe suburb of South Kumminin is located in WA and has a postcode of 6368. Free south kumminin business listing! Get the first free listing in south kumminin! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.