Home Postcode finder NSW Castle Cove Castle Cove postcode NSW Castle Cove is a locality in New South Wales covered by postcode 2069. Postcode 2069 State or territory New South Wales (NSW) Region St Leonards Add a free Castle Cove business listing More business listings in Castle Cove Businesses in Castle CoveBuilt By Kidz PartiesCastle Cove NSW, Australia · 1300 737 448Castle Cove Public SchoolKendall Rd · 02 94171039 Common questionsWhat is the postcode for Castle Cove?Castle Cove, NSW has the postcode 2069.What state is Castle Cove in?Castle Cove is in New South Wales (NSW).Does postcode 2069 cover more than one suburb?Yes. Postcode 2069 covers 3 localities, so the postcode alone does not identify Castle Cove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.