Home Postcode finder NSWDL Spring Grove Spring Grove postcode NSWDL Spring Grove is a locality in New South Wales covered by postcode 2470. Postcode 2470 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free Spring Grove business listing Be the first listing in Spring Grove Common questionsWhat is the postcode for Spring Grove?Spring Grove, NSWDL has the postcode 2470.What state is Spring Grove in?Spring Grove is in New South Wales (NSWDL).Does postcode 2470 cover more than one suburb?Yes. Postcode 2470 covers 25 localities, so the postcode alone does not identify Spring Grove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.