Home Postcode finder QLD Freshwater Freshwater postcode QLD Freshwater is a locality in Queensland covered by postcode 4870. Postcode 4870 State or territory Queensland (QLD) Region North QLD Add a free Freshwater business listing More business listings in Freshwater Businesses in FreshwaterFreshwater State School10 Corkill St · 07 40589222 Common questionsWhat is the postcode for Freshwater?Freshwater, QLD has the postcode 4870.What state is Freshwater in?Freshwater is in Queensland (QLD).Does postcode 4870 cover more than one suburb?Yes. Postcode 4870 covers 26 localities, so the postcode alone does not identify Freshwater. Browse other postcodes in Queensland, or widen the search to every Australian postcode.