Home Postcode finder WA Malyalling Malyalling postcode WA Malyalling is a locality in Western Australia covered by postcode 6370. Postcode 6370 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Malyalling business listing Be the first listing in Malyalling Common questionsWhat is the postcode for Malyalling?Malyalling, WA has the postcode 6370.What state is Malyalling in?Malyalling is in Western Australia (WA).Does postcode 6370 cover more than one suburb?Yes. Postcode 6370 covers 5 localities, so the postcode alone does not identify Malyalling. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.