Home Postcode finder NSW Wootton Wootton postcode NSW Wootton is a locality in New South Wales covered by postcode 2423. Postcode 2423 State or territory New South Wales (NSW) Region Hunter Add a free Wootton business listing Be the first listing in Wootton Common questionsWhat is the postcode for Wootton?Wootton, NSW has the postcode 2423.What state is Wootton in?Wootton is in New South Wales (NSW).Does postcode 2423 cover more than one suburb?Yes. Postcode 2423 covers 20 localities, so the postcode alone does not identify Wootton. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.