Home Postcode finder NSW Big Jacks Creek Big Jacks Creek postcode NSW Big Jacks Creek is a locality in New South Wales covered by postcode 2339. Postcode 2339 State or territory New South Wales (NSW) Region NSW North Coast Add a free Big Jacks Creek business listing Be the first listing in Big Jacks Creek Common questionsWhat is the postcode for Big Jacks Creek?Big Jacks Creek, NSW has the postcode 2339.What state is Big Jacks Creek in?Big Jacks Creek is in New South Wales (NSW).Does postcode 2339 cover more than one suburb?Yes. Postcode 2339 covers 10 localities, so the postcode alone does not identify Big Jacks Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.