Home Postcode finder WA Helena Valley Helena Valley postcode WA Helena Valley is a locality in Western Australia covered by postcode 6056. Postcode 6056 State or territory Western Australia (WA) Region North West Suburbs Add a free Helena Valley business listing More business listings in Helena Valley Businesses in Helena ValleyBest Concrete Cutting Perth11 Robinia Rise · (08) 6166 0108Helena Valley Primary SchoolLot 11126 Helena Valley Rd · 08 92941062 Common questionsWhat is the postcode for Helena Valley?Helena Valley, WA has the postcode 6056.What state is Helena Valley in?Helena Valley is in Western Australia (WA).Does postcode 6056 cover more than one suburb?Yes. Postcode 6056 covers 17 localities, so the postcode alone does not identify Helena Valley. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.