Home Postcode finder NSW Gulf Creek Gulf Creek postcode NSW Gulf Creek is a locality in New South Wales covered by postcode 2347. Postcode 2347 State or territory New South Wales (NSW) Region NSW North Coast Add a free Gulf Creek business listing Be the first listing in Gulf Creek Common questionsWhat is the postcode for Gulf Creek?Gulf Creek, NSW has the postcode 2347.What state is Gulf Creek in?Gulf Creek is in New South Wales (NSW).Does postcode 2347 cover more than one suburb?Yes. Postcode 2347 covers 13 localities, so the postcode alone does not identify Gulf Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.