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! 1Christian Aboriginal School85-93 Lindsay St 08 902661152Coolgardie Primary School46 Shaw St 08 90266014 View more business listings in coolgardie Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.