Home Postcode finder WA Kulin West Kulin West postcode WA Kulin West is a locality in Western Australia covered by postcode 6365. Postcode 6365 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Kulin West business listing Be the first listing in Kulin West Common questionsWhat is the postcode for Kulin West?Kulin West, WA has the postcode 6365.What state is Kulin West in?Kulin West is in Western Australia (WA).Does postcode 6365 cover more than one suburb?Yes. Postcode 6365 covers 4 localities, so the postcode alone does not identify Kulin West. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.