Home Postcode finder NSW Carcoar Carcoar postcode NSW Carcoar is a locality in New South Wales covered by postcode 2791. Postcode 2791 State or territory New South Wales (NSW) Region NSW Country West Add a free Carcoar business listing More business listings in Carcoar Businesses in CarcoarCarcoar Public SchoolIcely St · 02 63673032Errowanbang Public SchoolErrowanbang Rd · 02 63667218 Common questionsWhat is the postcode for Carcoar?Carcoar, NSW has the postcode 2791.What state is Carcoar in?Carcoar is in New South Wales (NSW).Does postcode 2791 cover more than one suburb?Yes. Postcode 2791 covers 2 localities, so the postcode alone does not identify Carcoar. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.