coolgardie postcode wa Home ›› Postcode Finder ›› WA ›› Coolgardie Coolgardie local listingsThe suburb of Coolgardie is located in WA and has a postcode of 6429. Free coolgardie business listing! 1Coolgardie Primary School46 Shaw St 08 902660142Christian Aboriginal School85-93 Lindsay St 08 90266115 View more business listings in coolgardie Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.