Home Postcode finder NSW Hat Head Hat Head postcode NSW Hat Head 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 Hat Head business listing Be the first listing in Hat Head Common questionsWhat is the postcode for Hat Head?Hat Head, NSW has the postcode 2440.What state is Hat Head in?Hat Head 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 Hat Head. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.