Home Postcode finder NSW Lambs Valley Lambs Valley postcode NSW Lambs Valley 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 Lambs Valley business listing Be the first listing in Lambs Valley Common questionsWhat is the postcode for Lambs Valley?Lambs Valley, NSW has the postcode 2370.What state is Lambs Valley in?Lambs Valley 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 Lambs Valley. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.