Home Postcode finder QLD Kinka Beach Kinka Beach postcode QLD Kinka Beach is a locality in Queensland covered by postcode 4703. Postcode 4703 State or territory Queensland (QLD) Region Central QLD Add a free Kinka Beach business listing Be the first listing in Kinka Beach Common questionsWhat is the postcode for Kinka Beach?Kinka Beach, QLD has the postcode 4703.What state is Kinka Beach in?Kinka Beach 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 Kinka Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.