Home Postcode finder WA Green Head Green Head postcode WA Green Head is a locality in Western Australia covered by postcode 6514. Postcode 6514 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Green Head business listing Be the first listing in Green Head Common questionsWhat is the postcode for Green Head?Green Head, WA has the postcode 6514.What state is Green Head in?Green Head is in Western Australia (WA).Does postcode 6514 cover more than one suburb?Yes. Postcode 6514 covers 2 localities, so the postcode alone does not identify Green Head. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.