Home Postcode finder WA Walliston Walliston postcode WA Walliston is a locality in Western Australia covered by postcode 6076. Postcode 6076 State or territory Western Australia (WA) Region North West Suburbs Add a free Walliston business listing More business listings in Walliston Businesses in WallistonKalamunda Christian School6 Halleendale Rd · 08 92918749Walliston Primary School11 Dianella Rd · 08 92918099 Common questionsWhat is the postcode for Walliston?Walliston, WA has the postcode 6076.What state is Walliston in?Walliston is in Western Australia (WA).Does postcode 6076 cover more than one suburb?Yes. Postcode 6076 covers 11 localities, so the postcode alone does not identify Walliston. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.