Home Postcode finder QLD Cinnabar Cinnabar postcode QLD Cinnabar is a locality in Queensland covered by postcode 4600. Postcode 4600 State or territory Queensland (QLD) Region Sunshine Coast Add a free Cinnabar business listing Be the first listing in Cinnabar Common questionsWhat is the postcode for Cinnabar?Cinnabar, QLD has the postcode 4600.What state is Cinnabar in?Cinnabar is in Queensland (QLD).Does postcode 4600 cover more than one suburb?Yes. Postcode 4600 covers 5 localities, so the postcode alone does not identify Cinnabar. Browse other postcodes in Queensland, or widen the search to every Australian postcode.