Home Postcode finder WA Bullock Hills Bullock Hills postcode WA Bullock Hills is a locality in Western Australia covered by postcode 6317. Postcode 6317 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Bullock Hills business listing Be the first listing in Bullock Hills Common questionsWhat is the postcode for Bullock Hills?Bullock Hills, WA has the postcode 6317.What state is Bullock Hills in?Bullock Hills is in Western Australia (WA).Does postcode 6317 cover more than one suburb?Yes. Postcode 6317 covers 14 localities, so the postcode alone does not identify Bullock Hills. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.