Home Postcode finder WA West Holleton West Holleton postcode WA West Holleton is a locality in Western Australia covered by postcode 6369. Postcode 6369 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free West Holleton business listing Be the first listing in West Holleton Common questionsWhat is the postcode for West Holleton?West Holleton, WA has the postcode 6369.What state is West Holleton in?West Holleton is in Western Australia (WA).Does postcode 6369 cover more than one suburb?Yes. Postcode 6369 covers 5 localities, so the postcode alone does not identify West Holleton. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.