Home Postcode finder QLD Forty Mile Forty Mile postcode QLD Forty Mile is a locality in Queensland covered by postcode 4872. Postcode 4872 State or territory Queensland (QLD) Region North QLD Add a free Forty Mile business listing Be the first listing in Forty Mile Common questionsWhat is the postcode for Forty Mile?Forty Mile, QLD has the postcode 4872.What state is Forty Mile in?Forty Mile is in Queensland (QLD).Does postcode 4872 cover more than one suburb?Yes. Postcode 4872 covers 21 localities, so the postcode alone does not identify Forty Mile. Browse other postcodes in Queensland, or widen the search to every Australian postcode.