Home Postcode finder NSW Glen Alpine Glen Alpine postcode NSW Glen Alpine is a locality in New South Wales covered by postcode 2560. Postcode 2560 State or territory New South Wales (NSW) Region Ingleburn Add a free Glen Alpine business listing Be the first listing in Glen Alpine Common questionsWhat is the postcode for Glen Alpine?Glen Alpine, NSW has the postcode 2560.What state is Glen Alpine in?Glen Alpine is in New South Wales (NSW).Does postcode 2560 cover more than one suburb?Yes. Postcode 2560 covers 19 localities, so the postcode alone does not identify Glen Alpine. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.