north-wialki postcode wa Home ›› Postcode Finder ›› WA ›› North-Wialki North Wialki local listingsThe suburb of North Wialki is located in WA and has a postcode of 6473. Free north wialki business listing! Get the first free listing in north wialki! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.