Home Postcode finder NSW Woonona Woonona postcode NSW Woonona is a locality in New South Wales covered by postcode 2517. Postcode 2517 State or territory New South Wales (NSW) Region Illawarra Add a free Woonona business listing More business listings in Woonona Businesses in WoononaFernwood Fitnes335 Princes Hwy · 0242845560Healthy HypnosisWoonona New South Wales, Australia · +61280057080Home Business SolutionsPO Box 271 · (02) 99372457 Common questionsWhat is the postcode for Woonona?Woonona, NSW has the postcode 2517.What state is Woonona in?Woonona is in New South Wales (NSW).Does postcode 2517 cover more than one suburb?Yes. Postcode 2517 covers 3 localities, so the postcode alone does not identify Woonona. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.