Home Postcode finder ACT Curtin Curtin postcode ACT Curtin is a locality in Australian Capital Territory covered by postcode 2605. Postcode 2605 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Curtin business listing More business listings in Curtin Businesses in CurtinCurtin Primary School70 Theodore St · 02 62055622Holy Trinity Primary School18-20 Theodore St · 02 62814811TNL ITShiels Place, Curtin ACT 2605, Australia · (02) 9123 4567 Common questionsWhat is the postcode for Curtin?Curtin, ACT has the postcode 2605.What state is Curtin in?Curtin is in Australian Capital Territory (ACT).Does postcode 2605 cover more than one suburb?Yes. Postcode 2605 covers 3 localities, so the postcode alone does not identify Curtin. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.