Home Postcode finder NSW Woronora Heights Woronora Heights postcode NSW Woronora Heights is a locality in New South Wales covered by postcode 2233. Postcode 2233 State or territory New South Wales (NSW) Region Illawarra Add a free Woronora Heights business listing Be the first listing in Woronora Heights Common questionsWhat is the postcode for Woronora Heights?Woronora Heights, NSW has the postcode 2233.What state is Woronora Heights in?Woronora Heights is in New South Wales (NSW).Does postcode 2233 cover more than one suburb?Yes. Postcode 2233 covers 5 localities, so the postcode alone does not identify Woronora Heights. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.