Home Postcode finder WA Karijini Karijini postcode WA Karijini is a locality in Western Australia covered by postcode 6751. Postcode 6751 State or territory Western Australia (WA) Region North West Suburbs Add a free Karijini business listing Be the first listing in Karijini Common questionsWhat is the postcode for Karijini?Karijini, WA has the postcode 6751.What state is Karijini in?Karijini is in Western Australia (WA).Does postcode 6751 cover more than one suburb?Yes. Postcode 6751 covers 10 localities, so the postcode alone does not identify Karijini. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.