Home Postcode finder ACT Duntroon Duntroon postcode ACT Duntroon is a locality in Australian Capital Territory covered by postcode 2600. Postcode 2600 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Duntroon business listing Be the first listing in Duntroon Common questionsWhat is the postcode for Duntroon?Duntroon, ACT has the postcode 2600.What state is Duntroon in?Duntroon is in Australian Capital Territory (ACT).Does postcode 2600 cover more than one suburb?Yes. Postcode 2600 covers 13 localities, so the postcode alone does not identify Duntroon. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.