Home Postcode finder QLD Helens Hill Helens Hill postcode QLD Helens Hill is a locality in Queensland covered by postcode 4850. Postcode 4850 State or territory Queensland (QLD) Region North QLD Add a free Helens Hill business listing Be the first listing in Helens Hill Common questionsWhat is the postcode for Helens Hill?Helens Hill, QLD has the postcode 4850.What state is Helens Hill in?Helens Hill is in Queensland (QLD).Does postcode 4850 cover more than one suburb?Yes. Postcode 4850 covers 34 localities, so the postcode alone does not identify Helens Hill. Browse other postcodes in Queensland, or widen the search to every Australian postcode.