Home Postcode finder NSW Hanleys Creek Hanleys Creek postcode NSW Hanleys Creek is a locality in New South Wales covered by postcode 2420. Postcode 2420 State or territory New South Wales (NSW) Region Hunter Add a free Hanleys Creek business listing Be the first listing in Hanleys Creek Common questionsWhat is the postcode for Hanleys Creek?Hanleys Creek, NSW has the postcode 2420.What state is Hanleys Creek in?Hanleys Creek is in New South Wales (NSW).Does postcode 2420 cover more than one suburb?Yes. Postcode 2420 covers 23 localities, so the postcode alone does not identify Hanleys Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.