Home Postcode finder NSW Elrington Elrington postcode NSW Elrington is a locality in New South Wales covered by postcode 2325. Postcode 2325 State or territory New South Wales (NSW) Region Hunter Add a free Elrington business listing Be the first listing in Elrington Common questionsWhat is the postcode for Elrington?Elrington, NSW has the postcode 2325.What state is Elrington in?Elrington is in New South Wales (NSW).Does postcode 2325 cover more than one suburb?Yes. Postcode 2325 covers 27 localities, so the postcode alone does not identify Elrington. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.