Home Postcode finder QLD Port Curtis Port Curtis postcode QLD Port Curtis is a locality in Queensland covered by postcode 4700. Postcode 4700 State or territory Queensland (QLD) Region Central QLD Add a free Port Curtis business listing Be the first listing in Port Curtis Common questionsWhat is the postcode for Port Curtis?Port Curtis, QLD has the postcode 4700.What state is Port Curtis in?Port Curtis is in Queensland (QLD).Does postcode 4700 cover more than one suburb?Yes. Postcode 4700 covers 12 localities, so the postcode alone does not identify Port Curtis. Browse other postcodes in Queensland, or widen the search to every Australian postcode.