Home Postcode finder NSW Rocky Glen Rocky Glen postcode NSW Rocky Glen is a locality in New South Wales covered by postcode 2357. Postcode 2357 State or territory New South Wales (NSW) Region NSW North Coast Add a free Rocky Glen business listing Be the first listing in Rocky Glen Common questionsWhat is the postcode for Rocky Glen?Rocky Glen, NSW has the postcode 2357.What state is Rocky Glen in?Rocky Glen is in New South Wales (NSW).Does postcode 2357 cover more than one suburb?Yes. Postcode 2357 covers 11 localities, so the postcode alone does not identify Rocky Glen. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.