Home Postcode finder ACT Calwell Calwell postcode ACT Calwell 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 Calwell business listing More business listings in Calwell Businesses in CalwellACT Light ControlPO Box 63 · 02 6291 2986C. J. G Pools & EarthworksPO Box 450 · 0413 997 889Calwell High School111 Casey Crescent · 02 62056833 Common questionsWhat is the postcode for Calwell?Calwell, ACT has the postcode 2905.What state is Calwell in?Calwell 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 Calwell. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.