Home Postcode finder NSW Woronora Dam Woronora Dam postcode NSW Woronora Dam is a locality in New South Wales covered by postcode 2508. Postcode 2508 State or territory New South Wales (NSW) Region Illawarra Add a free Woronora Dam business listing Be the first listing in Woronora Dam Common questionsWhat is the postcode for Woronora Dam?Woronora Dam, NSW has the postcode 2508.What state is Woronora Dam in?Woronora Dam is in New South Wales (NSW).Does postcode 2508 cover more than one suburb?Yes. Postcode 2508 covers 9 localities, so the postcode alone does not identify Woronora Dam. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.