Home Postcode finder NSW Thirldene Thirldene postcode NSW Thirldene is a locality in New South Wales covered by postcode 2347. Postcode 2347 State or territory New South Wales (NSW) Region NSW North Coast Add a free Thirldene business listing Be the first listing in Thirldene Common questionsWhat is the postcode for Thirldene?Thirldene, NSW has the postcode 2347.What state is Thirldene in?Thirldene is in New South Wales (NSW).Does postcode 2347 cover more than one suburb?Yes. Postcode 2347 covers 13 localities, so the postcode alone does not identify Thirldene. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.