Home Postcode finder NSW Linburn Linburn postcode NSW Linburn is a locality in New South Wales covered by postcode 2850. Postcode 2850 State or territory New South Wales (NSW) Region NSW Country West Add a free Linburn business listing Be the first listing in Linburn Common questionsWhat is the postcode for Linburn?Linburn, NSW has the postcode 2850.What state is Linburn in?Linburn is in New South Wales (NSW).Does postcode 2850 cover more than one suburb?Yes. Postcode 2850 covers 77 localities, so the postcode alone does not identify Linburn. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.