Home Postcode finder NSW Yattalunga Yattalunga postcode NSW Yattalunga is a locality in New South Wales covered by postcode 2251. Postcode 2251 State or territory New South Wales (NSW) Region Gosford Add a free Yattalunga business listing Be the first listing in Yattalunga Common questionsWhat is the postcode for Yattalunga?Yattalunga, NSW has the postcode 2251.What state is Yattalunga in?Yattalunga is in New South Wales (NSW).Does postcode 2251 cover more than one suburb?Yes. Postcode 2251 covers 12 localities, so the postcode alone does not identify Yattalunga. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.