Home Postcode finder NSWDL Spring Plains Spring Plains postcode NSWDL Spring Plains is a locality in New South Wales covered by postcode 2388. Postcode 2388 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free Spring Plains business listing Be the first listing in Spring Plains Common questionsWhat is the postcode for Spring Plains?Spring Plains, NSWDL has the postcode 2388.What state is Spring Plains in?Spring Plains is in New South Wales (NSWDL).Does postcode 2388 cover more than one suburb?Yes. Postcode 2388 covers 9 localities, so the postcode alone does not identify Spring Plains. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.