Home Postcode finder WA Dale Dale postcode WA Dale is a locality in Western Australia covered by postcode 6304. Postcode 6304 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Dale business listing Be the first listing in Dale Common questionsWhat is the postcode for Dale?Dale, WA has the postcode 6304.What state is Dale in?Dale is in Western Australia (WA).Does postcode 6304 cover more than one suburb?Yes. Postcode 6304 covers 7 localities, so the postcode alone does not identify Dale. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.