Home Postcode finder NSW Rock Valley Rock Valley postcode NSW Rock Valley is a locality in New South Wales covered by postcode 2480. Postcode 2480 State or territory New South Wales (NSW) Region NSW North Coast Add a free Rock Valley business listing Be the first listing in Rock Valley Common questionsWhat is the postcode for Rock Valley?Rock Valley, NSW has the postcode 2480.What state is Rock Valley in?Rock Valley is in New South Wales (NSW).Does postcode 2480 cover more than one suburb?Yes. Postcode 2480 covers 68 localities, so the postcode alone does not identify Rock Valley. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.