Home Postcode finder WA Dwarda Dwarda postcode WA Dwarda is a locality in Western Australia covered by postcode 6308. Postcode 6308 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Dwarda business listing Be the first listing in Dwarda Common questionsWhat is the postcode for Dwarda?Dwarda, WA has the postcode 6308.What state is Dwarda in?Dwarda is in Western Australia (WA).Does postcode 6308 cover more than one suburb?Yes. Postcode 6308 covers 10 localities, so the postcode alone does not identify Dwarda. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.