Home Postcode finder QLD Lark Hill Lark Hill postcode QLD Lark Hill is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Lark Hill business listing Be the first listing in Lark Hill Common questionsWhat is the postcode for Lark Hill?Lark Hill, QLD has the postcode 4306.What state is Lark Hill in?Lark Hill is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Lark Hill. Browse other postcodes in Queensland, or widen the search to every Australian postcode.