Home Postcode finder NSW Hartys Plains Hartys Plains postcode NSW Hartys Plains is a locality in New South Wales covered by postcode 2446. Postcode 2446 State or territory New South Wales (NSW) Region NSW North Coast Add a free Hartys Plains business listing Be the first listing in Hartys Plains Common questionsWhat is the postcode for Hartys Plains?Hartys Plains, NSW has the postcode 2446.What state is Hartys Plains in?Hartys Plains is in New South Wales (NSW).Does postcode 2446 cover more than one suburb?Yes. Postcode 2446 covers 41 localities, so the postcode alone does not identify Hartys Plains. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.