Home Postcode finder QLD Rosevale Rosevale postcode QLD Rosevale is a locality in Queensland covered by postcode 4340. Postcode 4340 State or territory Queensland (QLD) Region Western Suburbs Add a free Rosevale business listing Be the first listing in Rosevale Common questionsWhat is the postcode for Rosevale?Rosevale, QLD has the postcode 4340.What state is Rosevale in?Rosevale 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 Rosevale. Browse other postcodes in Queensland, or widen the search to every Australian postcode.