Home Postcode finder NSW Gunbar Gunbar postcode NSW Gunbar is a locality in New South Wales covered by postcode 2711. Postcode 2711 State or territory New South Wales (NSW) Region Canberra Add a free Gunbar business listing Be the first listing in Gunbar Common questionsWhat is the postcode for Gunbar?Gunbar, NSW has the postcode 2711.What state is Gunbar in?Gunbar is in New South Wales (NSW).Does postcode 2711 cover more than one suburb?Yes. Postcode 2711 covers 13 localities, so the postcode alone does not identify Gunbar. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.