Home Postcode finder NSW Towradgi Towradgi postcode NSW Towradgi is a locality in New South Wales covered by postcode 2518. Postcode 2518 State or territory New South Wales (NSW) Region Illawarra Add a free Towradgi business listing More business listings in Towradgi Businesses in TowradgiTowradgi Public School64 Carters Lane · 02 42844527 Common questionsWhat is the postcode for Towradgi?Towradgi, NSW has the postcode 2518.What state is Towradgi in?Towradgi is in New South Wales (NSW).Does postcode 2518 cover more than one suburb?Yes. Postcode 2518 covers 6 localities, so the postcode alone does not identify Towradgi. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.