Home Postcode finder QLD Colinton Colinton postcode QLD Colinton is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Colinton business listing Be the first listing in Colinton Common questionsWhat is the postcode for Colinton?Colinton, QLD has the postcode 4306.What state is Colinton in?Colinton is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Colinton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.