Home Postcode finder NSW Quialigo Quialigo postcode NSW Quialigo 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 Quialigo business listing Be the first listing in Quialigo Common questionsWhat is the postcode for Quialigo?Quialigo, NSW has the postcode 2580.What state is Quialigo in?Quialigo 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 Quialigo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.