Home Postcode finder ACT Theodore Theodore postcode ACT Theodore is a locality in Australian Capital Territory covered by postcode 2905. Postcode 2905 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Theodore business listing More business listings in Theodore Businesses in TheodoreSynergy Four Services10 Conlon Crescent, Theodore Australian Capital Territory 2905, Australia · +61400993411Theodore Primary SchoolLawrence-Wackett Crescent · 02 62057399 Common questionsWhat is the postcode for Theodore?Theodore, ACT has the postcode 2905.What state is Theodore in?Theodore is in Australian Capital Territory (ACT).Does postcode 2905 cover more than one suburb?Yes. Postcode 2905 covers 7 localities, so the postcode alone does not identify Theodore. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.