Home Postcode finder NSW Rocky Creek Rocky Creek postcode NSW Rocky Creek is a locality in New South Wales covered by postcode 2390. Postcode 2390 State or territory New South Wales (NSW) Region NSW North Coast Add a free Rocky Creek business listing Be the first listing in Rocky Creek Common questionsWhat is the postcode for Rocky Creek?Rocky Creek, NSW has the postcode 2390.What state is Rocky Creek in?Rocky Creek is in New South Wales (NSW).Does postcode 2390 cover more than one suburb?Yes. Postcode 2390 covers 16 localities, so the postcode alone does not identify Rocky Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.