Home Postcode finder NSW Castlecrag Castlecrag postcode NSW Castlecrag is a locality in New South Wales covered by postcode 2068. Postcode 2068 State or territory New South Wales (NSW) Region St Leonards Add a free Castlecrag business listing More business listings in Castlecrag Businesses in CastlecragGlenaeon Rudolf Steiner School117 Edinburgh Rd · 02 99580774KU Castlecrag PreschoolThe Rampart · 02 9958 5393 Common questionsWhat is the postcode for Castlecrag?Castlecrag, NSW has the postcode 2068.What state is Castlecrag in?Castlecrag is in New South Wales (NSW).Does postcode 2068 cover more than one suburb?Yes. Postcode 2068 covers 6 localities, so the postcode alone does not identify Castlecrag. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.