Home Postcode finder QLD Ashwell Ashwell postcode QLD Ashwell is a locality in Queensland covered by postcode 4340. Postcode 4340 State or territory Queensland (QLD) Region Western Suburbs Add a free Ashwell business listing Be the first listing in Ashwell Common questionsWhat is the postcode for Ashwell?Ashwell, QLD has the postcode 4340.What state is Ashwell in?Ashwell is in Queensland (QLD).Does postcode 4340 cover more than one suburb?Yes. Postcode 4340 covers 18 localities, so the postcode alone does not identify Ashwell. Browse other postcodes in Queensland, or widen the search to every Australian postcode.