Home Postcode finder NSW Wards River Wards River postcode NSW Wards River is a locality in New South Wales covered by postcode 2422. Postcode 2422 State or territory New South Wales (NSW) Region Hunter Add a free Wards River business listing Be the first listing in Wards River Common questionsWhat is the postcode for Wards River?Wards River, NSW has the postcode 2422.What state is Wards River in?Wards River is in New South Wales (NSW).Does postcode 2422 cover more than one suburb?Yes. Postcode 2422 covers 45 localities, so the postcode alone does not identify Wards River. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.