Home Postcode finder QLD Horton Horton postcode QLD Horton is a locality in Queensland covered by postcode 4660. Postcode 4660 State or territory Queensland (QLD) Region Sunshine Coast Add a free Horton business listing Be the first listing in Horton Common questionsWhat is the postcode for Horton?Horton, QLD has the postcode 4660.What state is Horton in?Horton is in Queensland (QLD).Does postcode 4660 cover more than one suburb?Yes. Postcode 4660 covers 21 localities, so the postcode alone does not identify Horton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.