Home Postcode finder NSW Watsons Creek Watsons Creek postcode NSW Watsons Creek is a locality in New South Wales covered by postcode 2355. Postcode 2355 State or territory New South Wales (NSW) Region NSW North Coast Add a free Watsons Creek business listing Be the first listing in Watsons Creek Common questionsWhat is the postcode for Watsons Creek?Watsons Creek, NSW has the postcode 2355.What state is Watsons Creek in?Watsons Creek is in New South Wales (NSW).Does postcode 2355 cover more than one suburb?Yes. Postcode 2355 covers 3 localities, so the postcode alone does not identify Watsons Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.