darkan postcode wa Home ›› Postcode Finder ›› WA ›› Darkan Darkan local listingsThe suburb of Darkan is located in WA and has a postcode of 6392. Free darkan business listing! 1Darkan Primary SchoolDarkan South Rd 08 97361299 View more business listings in darkan Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.