Home Postcode finder NSW Cobar Park Cobar Park postcode NSW Cobar Park is a locality in New South Wales covered by postcode 2790. Postcode 2790 State or territory New South Wales (NSW) Region NSW Country West Add a free Cobar Park business listing Be the first listing in Cobar Park Common questionsWhat is the postcode for Cobar Park?Cobar Park, NSW has the postcode 2790.What state is Cobar Park in?Cobar Park is in New South Wales (NSW).Does postcode 2790 cover more than one suburb?Yes. Postcode 2790 covers 40 localities, so the postcode alone does not identify Cobar Park. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.