Home Postcode finder WA Balladong Balladong postcode WA Balladong is a locality in Western Australia covered by postcode 6302. Postcode 6302 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Balladong business listing Be the first listing in Balladong Common questionsWhat is the postcode for Balladong?Balladong, WA has the postcode 6302.What state is Balladong in?Balladong is in Western Australia (WA).Does postcode 6302 cover more than one suburb?Yes. Postcode 6302 covers 23 localities, so the postcode alone does not identify Balladong. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.