Home Postcode finder NSW Windella Windella postcode NSW Windella is a locality in New South Wales covered by postcode 2320. Postcode 2320 State or territory New South Wales (NSW) Region Hunter Add a free Windella business listing Be the first listing in Windella Common questionsWhat is the postcode for Windella?Windella, NSW has the postcode 2320.What state is Windella in?Windella is in New South Wales (NSW).Does postcode 2320 cover more than one suburb?Yes. Postcode 2320 covers 30 localities, so the postcode alone does not identify Windella. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.