Home Postcode finder ACT Acton Acton postcode ACT Acton is a locality in Australian Capital Territory covered by postcode 2601. Postcode 2601 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Acton business listing Be the first listing in Acton Common questionsWhat is the postcode for Acton?Acton, ACT has the postcode 2601.What state is Acton in?Acton is in Australian Capital Territory (ACT).Does postcode 2601 cover more than one suburb?Yes. Postcode 2601 covers 3 localities, so the postcode alone does not identify Acton. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.