Home Postcode finder NSW Lower Creek Lower Creek postcode NSW Lower Creek is a locality in New South Wales covered by postcode 2440. Postcode 2440 State or territory New South Wales (NSW) Region NSW North Coast Add a free Lower Creek business listing Be the first listing in Lower Creek Common questionsWhat is the postcode for Lower Creek?Lower Creek, NSW has the postcode 2440.What state is Lower Creek in?Lower Creek is in New South Wales (NSW).Does postcode 2440 cover more than one suburb?Yes. Postcode 2440 covers 48 localities, so the postcode alone does not identify Lower Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.