Home Postcode finder NSW Glen Elgin Glen Elgin postcode NSW Glen Elgin is a locality in New South Wales covered by postcode 2370. Postcode 2370 State or territory New South Wales (NSW) Region NSW North Coast Add a free Glen Elgin business listing Be the first listing in Glen Elgin Common questionsWhat is the postcode for Glen Elgin?Glen Elgin, NSW has the postcode 2370.What state is Glen Elgin in?Glen Elgin is in New South Wales (NSW).Does postcode 2370 cover more than one suburb?Yes. Postcode 2370 covers 24 localities, so the postcode alone does not identify Glen Elgin. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.