Home Postcode finder NSWRV Watsons Bay Watsons Bay postcode NSWRV Watsons Bay is a locality in New South Wales covered by postcode 2030. Postcode 2030 State or territory New South Wales (NSWRV) Region Waterloo Add a free Watsons Bay business listing Be the first listing in Watsons Bay Common questionsWhat is the postcode for Watsons Bay?Watsons Bay, NSWRV has the postcode 2030.What state is Watsons Bay in?Watsons Bay is in New South Wales (NSWRV).Does postcode 2030 cover more than one suburb?Yes. Postcode 2030 covers 5 localities, so the postcode alone does not identify Watsons Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.