Home Postcode finder NSW Garoo Garoo postcode NSW Garoo is a locality in New South Wales covered by postcode 2340. Postcode 2340 State or territory New South Wales (NSW) Region NSW North Coast Add a free Garoo business listing Be the first listing in Garoo Common questionsWhat is the postcode for Garoo?Garoo, NSW has the postcode 2340.What state is Garoo in?Garoo is in New South Wales (NSW).Does postcode 2340 cover more than one suburb?Yes. Postcode 2340 covers 39 localities, so the postcode alone does not identify Garoo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.