Home Postcode finder NSW Longarm Longarm postcode NSW Longarm 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 Longarm business listing Be the first listing in Longarm Common questionsWhat is the postcode for Longarm?Longarm, NSW has the postcode 2347.What state is Longarm in?Longarm 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 Longarm. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.