Home Postcode finder NSW Emerald Beach Emerald Beach postcode NSW Emerald Beach is a locality in New South Wales covered by postcode 2456. Postcode 2456 State or territory New South Wales (NSW) Region NSW North Coast Add a free Emerald Beach business listing Be the first listing in Emerald Beach Common questionsWhat is the postcode for Emerald Beach?Emerald Beach, NSW has the postcode 2456.What state is Emerald Beach in?Emerald Beach is in New South Wales (NSW).Does postcode 2456 cover more than one suburb?Yes. Postcode 2456 covers 10 localities, so the postcode alone does not identify Emerald Beach. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.