kalgoorlie postcode wa Home ›› Postcode Finder ›› WA ›› Kalgoorlie Kalgoorlie local listingsThe suburb of Kalgoorlie is located in WA and has a postcode of 6430. Free kalgoorlie business listing! 1Kalgoorlie-Boulder Community High SchoolBoomerang Crescent 08 908007002John Paul CollegeLionel St 08 902143773Christian Aboriginal Primary SchoolSharpe Drive 08 90912590 View more business listings in kalgoorlie Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.