walliston postcode wa Home ›› Postcode Finder ›› WA ›› Walliston Walliston local listingsThe suburb of Walliston is located in WA and has a postcode of 6076. Free walliston business listing! 1Kalamunda Christian School6 Halleendale Rd 08 929187492Walliston Primary School11 Dianella Rd 08 92918099 View more business listings in walliston Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.