Home Postcode finder NSW Rossi Rossi postcode NSW Rossi is a locality in New South Wales covered by postcode 2621. Postcode 2621 State or territory New South Wales (NSW) Region Canberra Add a free Rossi business listing Be the first listing in Rossi Common questionsWhat is the postcode for Rossi?Rossi, NSW has the postcode 2621.What state is Rossi in?Rossi is in New South Wales (NSW).Does postcode 2621 cover more than one suburb?Yes. Postcode 2621 covers 7 localities, so the postcode alone does not identify Rossi. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.