Home Postcode finder QLD Noah Noah postcode QLD Noah is a locality in Queensland covered by postcode 4873. Postcode 4873 State or territory Queensland (QLD) Region North QLD Add a free Noah business listing Be the first listing in Noah Common questionsWhat is the postcode for Noah?Noah, QLD has the postcode 4873.What state is Noah in?Noah is in Queensland (QLD).Does postcode 4873 cover more than one suburb?Yes. Postcode 4873 covers 29 localities, so the postcode alone does not identify Noah. Browse other postcodes in Queensland, or widen the search to every Australian postcode.