Home Postcode finder WA Arrino Arrino postcode WA Arrino is a locality in Western Australia covered by postcode 6519. Postcode 6519 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Arrino business listing Be the first listing in Arrino Common questionsWhat is the postcode for Arrino?Arrino, WA has the postcode 6519.What state is Arrino in?Arrino is in Western Australia (WA).Does postcode 6519 cover more than one suburb?Yes. Postcode 6519 covers 6 localities, so the postcode alone does not identify Arrino. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.