Home Postcode finder QLD Atkinsons Dam Atkinsons Dam postcode QLD Atkinsons Dam is a locality in Queensland covered by postcode 4311. Postcode 4311 State or territory Queensland (QLD) Region Western Suburbs Add a free Atkinsons Dam business listing Be the first listing in Atkinsons Dam Common questionsWhat is the postcode for Atkinsons Dam?Atkinsons Dam, QLD has the postcode 4311.What state is Atkinsons Dam in?Atkinsons Dam is in Queensland (QLD).Does postcode 4311 cover more than one suburb?Yes. Postcode 4311 covers 17 localities, so the postcode alone does not identify Atkinsons Dam. Browse other postcodes in Queensland, or widen the search to every Australian postcode.