Home Postcode finder NSW Oak Flats Oak Flats postcode NSW Oak Flats is a locality in New South Wales covered by postcode 2529. Postcode 2529 State or territory New South Wales (NSW) Region Illawarra Add a free Oak Flats business listing More business listings in Oak Flats Businesses in Oak FlatsAdept Security Pty Ltd102 Industrial Road · 0242571101Coastal Stairs Pty Ltd149 Industrial Road · 0242566210Corpus Christi High SchoolCnr Moore & Industrial Rds · 02 42303300 Common questionsWhat is the postcode for Oak Flats?Oak Flats, NSW has the postcode 2529.What state is Oak Flats in?Oak Flats is in New South Wales (NSW).Does postcode 2529 cover more than one suburb?Yes. Postcode 2529 covers 7 localities, so the postcode alone does not identify Oak Flats. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.