Home Postcode finder WA Dulbelling Dulbelling postcode WA Dulbelling 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 Dulbelling business listing Be the first listing in Dulbelling Common questionsWhat is the postcode for Dulbelling?Dulbelling, WA has the postcode 6383.What state is Dulbelling in?Dulbelling 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 Dulbelling. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.