Home Postcode finder NSW Wyong Creek Wyong Creek postcode NSW Wyong Creek is a locality in New South Wales covered by postcode 2259. Postcode 2259 State or territory New South Wales (NSW) Region Gosford Add a free Wyong Creek business listing More business listings in Wyong Creek Businesses in Wyong CreekWyong Books New And Used48a Pacific Highway · 0431074660Wyong Books New And Used48a Pacific Highway · 0431074660 Common questionsWhat is the postcode for Wyong Creek?Wyong Creek, NSW has the postcode 2259.What state is Wyong Creek in?Wyong Creek is in New South Wales (NSW).Does postcode 2259 cover more than one suburb?Yes. Postcode 2259 covers 42 localities, so the postcode alone does not identify Wyong Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.