karratha-industrial-estate postcode wa Home ›› Postcode Finder ›› WA ›› Karratha-Industrial-Estate Karratha Industrial Estate local listingsThe suburb of Karratha Industrial Estate is located in WA and has a postcode of 6714. Free karratha industrial estate business listing! Get the first free listing in karratha industrial estate! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.