Home Postcode finder ACT Parliament House Parliament House postcode ACT Parliament House 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 Parliament House business listing Be the first listing in Parliament House Common questionsWhat is the postcode for Parliament House?Parliament House, ACT has the postcode 2600.What state is Parliament House in?Parliament House 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 Parliament House. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.