Home Postcode finder NSW Barrington Tops Barrington Tops postcode NSW Barrington Tops is a locality in New South Wales covered by postcode 2422. Postcode 2422 State or territory New South Wales (NSW) Region Hunter Add a free Barrington Tops business listing Be the first listing in Barrington Tops Common questionsWhat is the postcode for Barrington Tops?Barrington Tops, NSW has the postcode 2422.What state is Barrington Tops in?Barrington Tops is in New South Wales (NSW).Does postcode 2422 cover more than one suburb?Yes. Postcode 2422 covers 45 localities, so the postcode alone does not identify Barrington Tops. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.