Home Postcode finder NSW Caroona Caroona postcode NSW Caroona is a locality in New South Wales covered by postcode 2343. Postcode 2343 State or territory New South Wales (NSW) Region NSW North Coast Add a free Caroona business listing Be the first listing in Caroona Common questionsWhat is the postcode for Caroona?Caroona, NSW has the postcode 2343.What state is Caroona in?Caroona is in New South Wales (NSW).Does postcode 2343 cover more than one suburb?Yes. Postcode 2343 covers 15 localities, so the postcode alone does not identify Caroona. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.