Home Postcode finder NSW Windy Windy postcode NSW Windy 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 Windy business listing Be the first listing in Windy Common questionsWhat is the postcode for Windy?Windy, NSW has the postcode 2343.What state is Windy in?Windy 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 Windy. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.