Home Postcode finder NSW Gloucester Tops Gloucester Tops postcode NSW Gloucester 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 Gloucester Tops business listing Be the first listing in Gloucester Tops Common questionsWhat is the postcode for Gloucester Tops?Gloucester Tops, NSW has the postcode 2422.What state is Gloucester Tops in?Gloucester 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 Gloucester Tops. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.