Home Postcode finder NSW Largs Largs postcode NSW Largs is a locality in New South Wales covered by postcode 2320. Postcode 2320 State or territory New South Wales (NSW) Region Hunter Add a free Largs business listing More business listings in Largs Businesses in LargsAtkins Plumbing and Gas10 Arran Circuit, Largs NSW, Australia · 0409879009Largs Public School1 Hunter St · 02 49301494 Common questionsWhat is the postcode for Largs?Largs, NSW has the postcode 2320.What state is Largs in?Largs is in New South Wales (NSW).Does postcode 2320 cover more than one suburb?Yes. Postcode 2320 covers 30 localities, so the postcode alone does not identify Largs. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.