Home Postcode finder NSW Wiarborough Wiarborough postcode NSW Wiarborough is a locality in New South Wales covered by postcode 2580. Postcode 2580 State or territory New South Wales (NSW) Region Canberra Add a free Wiarborough business listing Be the first listing in Wiarborough Common questionsWhat is the postcode for Wiarborough?Wiarborough, NSW has the postcode 2580.What state is Wiarborough in?Wiarborough is in New South Wales (NSW).Does postcode 2580 cover more than one suburb?Yes. Postcode 2580 covers 44 localities, so the postcode alone does not identify Wiarborough. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.