Home Postcode finder NSW Esk Esk postcode NSW Esk is a locality in New South Wales covered by postcode 2472. Postcode 2472 State or territory New South Wales (NSW) Region NSW North Coast Add a free Esk business listing Be the first listing in Esk Common questionsWhat is the postcode for Esk?Esk, NSW has the postcode 2472.What state is Esk in?Esk is in New South Wales (NSW).Does postcode 2472 cover more than one suburb?Yes. Postcode 2472 covers 11 localities, so the postcode alone does not identify Esk. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.