Home Postcode finder WA Kings Park Kings Park postcode WA Kings Park is a locality in Western Australia covered by postcode 6005. Postcode 6005 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Kings Park business listing Be the first listing in Kings Park Common questionsWhat is the postcode for Kings Park?Kings Park, WA has the postcode 6005.What state is Kings Park in?Kings Park is in Western Australia (WA).Does postcode 6005 cover more than one suburb?Yes. Postcode 6005 covers 2 localities, so the postcode alone does not identify Kings Park. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.