Home Postcode finder QLD Kincora Kincora postcode QLD Kincora is a locality in Queensland covered by postcode 4356. Postcode 4356 State or territory Queensland (QLD) Region Toowoomba Region Add a free Kincora business listing Be the first listing in Kincora Common questionsWhat is the postcode for Kincora?Kincora, QLD has the postcode 4356.What state is Kincora in?Kincora is in Queensland (QLD).Does postcode 4356 cover more than one suburb?Yes. Postcode 4356 covers 18 localities, so the postcode alone does not identify Kincora. Browse other postcodes in Queensland, or widen the search to every Australian postcode.