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