Home Postcode finder NSW Green Cape Green Cape postcode NSW Green Cape is a locality in New South Wales covered by postcode 2551. Postcode 2551 State or territory New South Wales (NSW) Region NSW Country West Add a free Green Cape business listing Be the first listing in Green Cape Common questionsWhat is the postcode for Green Cape?Green Cape, NSW has the postcode 2551.What state is Green Cape in?Green Cape is in New South Wales (NSW).Does postcode 2551 cover more than one suburb?Yes. Postcode 2551 covers 14 localities, so the postcode alone does not identify Green Cape. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.