Home Postcode finder NSW Rocky River Rocky River postcode NSW Rocky River is a locality in New South Wales covered by postcode 2372. Postcode 2372 State or territory New South Wales (NSW) Region NSW North Coast Add a free Rocky River business listing Be the first listing in Rocky River Common questionsWhat is the postcode for Rocky River?Rocky River, NSW has the postcode 2372.What state is Rocky River in?Rocky River is in New South Wales (NSW).Does postcode 2372 cover more than one suburb?Yes. Postcode 2372 covers 22 localities, so the postcode alone does not identify Rocky River. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.