Home Postcode finder QLD Broken River Broken River postcode QLD Broken River is a locality in Queensland covered by postcode 4757. Postcode 4757 State or territory Queensland (QLD) Region Central QLD Add a free Broken River business listing Be the first listing in Broken River Common questionsWhat is the postcode for Broken River?Broken River, QLD has the postcode 4757.What state is Broken River in?Broken River is in Queensland (QLD).Does postcode 4757 cover more than one suburb?Yes. Postcode 4757 covers 5 localities, so the postcode alone does not identify Broken River. Browse other postcodes in Queensland, or widen the search to every Australian postcode.