Home Postcode finder NSW Giants Creek Giants Creek postcode NSW Giants Creek is a locality in New South Wales covered by postcode 2328. Postcode 2328 State or territory New South Wales (NSW) Region Hunter Add a free Giants Creek business listing Be the first listing in Giants Creek Common questionsWhat is the postcode for Giants Creek?Giants Creek, NSW has the postcode 2328.What state is Giants Creek in?Giants Creek is in New South Wales (NSW).Does postcode 2328 cover more than one suburb?Yes. Postcode 2328 covers 10 localities, so the postcode alone does not identify Giants Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.