Home Postcode finder QLD Kinkuna Kinkuna postcode QLD Kinkuna is a locality in Queensland covered by postcode 4670. Postcode 4670 State or territory Queensland (QLD) Region Sunshine Coast Add a free Kinkuna business listing Be the first listing in Kinkuna Common questionsWhat is the postcode for Kinkuna?Kinkuna, QLD has the postcode 4670.What state is Kinkuna in?Kinkuna is in Queensland (QLD).Does postcode 4670 cover more than one suburb?Yes. Postcode 4670 covers 52 localities, so the postcode alone does not identify Kinkuna. Browse other postcodes in Queensland, or widen the search to every Australian postcode.