Home Postcode finder WA Cubbine Cubbine postcode WA Cubbine is a locality in Western Australia covered by postcode 6383. Postcode 6383 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Cubbine business listing Be the first listing in Cubbine Common questionsWhat is the postcode for Cubbine?Cubbine, WA has the postcode 6383.What state is Cubbine in?Cubbine is in Western Australia (WA).Does postcode 6383 cover more than one suburb?Yes. Postcode 6383 covers 11 localities, so the postcode alone does not identify Cubbine. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.