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