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