Home Postcode finder NSW Hillston Hillston postcode NSW Hillston is a locality in New South Wales covered by postcode 2675. Postcode 2675 State or territory New South Wales (NSW) Region Canberra Add a free Hillston business listing More business listings in Hillston Businesses in HillstonHillston Central School62-80 Moore St · 02 69672277St Joseph's SchoolAiden St · 02 69672462 Common questionsWhat is the postcode for Hillston?Hillston, NSW has the postcode 2675.What state is Hillston in?Hillston is in New South Wales (NSW).Does postcode 2675 cover more than one suburb?Yes. Postcode 2675 covers 5 localities, so the postcode alone does not identify Hillston. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.