Home Postcode finder QLD Barwidgi Barwidgi postcode QLD Barwidgi is a locality in Queensland covered by postcode 4872. Postcode 4872 State or territory Queensland (QLD) Region North QLD Add a free Barwidgi business listing Be the first listing in Barwidgi Common questionsWhat is the postcode for Barwidgi?Barwidgi, QLD has the postcode 4872.What state is Barwidgi in?Barwidgi 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 Barwidgi. Browse other postcodes in Queensland, or widen the search to every Australian postcode.