Home Postcode finder QLD Blacks Beach Blacks Beach postcode QLD Blacks Beach is a locality in Queensland covered by postcode 4740. Postcode 4740 State or territory Queensland (QLD) Region Central QLD Add a free Blacks Beach business listing Be the first listing in Blacks Beach Common questionsWhat is the postcode for Blacks Beach?Blacks Beach, QLD has the postcode 4740.What state is Blacks Beach in?Blacks Beach is in Queensland (QLD).Does postcode 4740 cover more than one suburb?Yes. Postcode 4740 covers 50 localities, so the postcode alone does not identify Blacks Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.