Home Postcode finder NSW Dunoon Dunoon postcode NSW Dunoon is a locality in New South Wales covered by postcode 2480. Postcode 2480 State or territory New South Wales (NSW) Region NSW North Coast Add a free Dunoon business listing More business listings in Dunoon Businesses in DunoonDunoon Public School65 James St · 02 66895208 Common questionsWhat is the postcode for Dunoon?Dunoon, NSW has the postcode 2480.What state is Dunoon in?Dunoon is in New South Wales (NSW).Does postcode 2480 cover more than one suburb?Yes. Postcode 2480 covers 68 localities, so the postcode alone does not identify Dunoon. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.