Home Postcode finder WA Ballaying Ballaying postcode WA Ballaying is a locality in Western Australia covered by postcode 6315. Postcode 6315 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Ballaying business listing Be the first listing in Ballaying Common questionsWhat is the postcode for Ballaying?Ballaying, WA has the postcode 6315.What state is Ballaying in?Ballaying is in Western Australia (WA).Does postcode 6315 cover more than one suburb?Yes. Postcode 6315 covers 12 localities, so the postcode alone does not identify Ballaying. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.