Home Postcode finder ACT Red Hill Red Hill postcode ACT Red Hill is a locality in Australian Capital Territory covered by postcode 2603. Postcode 2603 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Red Hill business listing More business listings in Red Hill Businesses in Red HillCanberra Grammar School40 Monaro Crescent · 02 62609700Canberra Grammar School15 Alexander St · 02 62609600Red Hill Primary School23 Astrolabe St · 02 62057144 Common questionsWhat is the postcode for Red Hill?Red Hill, ACT has the postcode 2603.What state is Red Hill in?Red Hill is in Australian Capital Territory (ACT).Does postcode 2603 cover more than one suburb?Yes. Postcode 2603 covers 4 localities, so the postcode alone does not identify Red Hill. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.