Home Postcode finder NSW Wongo Creek Wongo Creek postcode NSW Wongo Creek is a locality in New South Wales covered by postcode 2346. Postcode 2346 State or territory New South Wales (NSW) Region NSW North Coast Add a free Wongo Creek business listing Be the first listing in Wongo Creek Common questionsWhat is the postcode for Wongo Creek?Wongo Creek, NSW has the postcode 2346.What state is Wongo Creek in?Wongo Creek is in New South Wales (NSW).Does postcode 2346 cover more than one suburb?Yes. Postcode 2346 covers 11 localities, so the postcode alone does not identify Wongo Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.