Home Postcode finder QLD Barlows Hill Barlows Hill postcode QLD Barlows Hill is a locality in Queensland covered by postcode 4703. Postcode 4703 State or territory Queensland (QLD) Region Central QLD Add a free Barlows Hill business listing Be the first listing in Barlows Hill Common questionsWhat is the postcode for Barlows Hill?Barlows Hill, QLD has the postcode 4703.What state is Barlows Hill in?Barlows Hill is in Queensland (QLD).Does postcode 4703 cover more than one suburb?Yes. Postcode 4703 covers 30 localities, so the postcode alone does not identify Barlows Hill. Browse other postcodes in Queensland, or widen the search to every Australian postcode.