Home Postcode finder QLD Dirnbir Dirnbir postcode QLD Dirnbir is a locality in Queensland covered by postcode 4625. Postcode 4625 State or territory Queensland (QLD) Region Sunshine Coast Add a free Dirnbir business listing Be the first listing in Dirnbir Common questionsWhat is the postcode for Dirnbir?Dirnbir, QLD has the postcode 4625.What state is Dirnbir in?Dirnbir is in Queensland (QLD).Does postcode 4625 cover more than one suburb?Yes. Postcode 4625 covers 34 localities, so the postcode alone does not identify Dirnbir. Browse other postcodes in Queensland, or widen the search to every Australian postcode.