Home Postcode finder NSW Nelsons Plains Nelsons Plains postcode NSW Nelsons Plains is a locality in New South Wales covered by postcode 2324. Postcode 2324 State or territory New South Wales (NSW) Region Hunter Add a free Nelsons Plains business listing Be the first listing in Nelsons Plains Common questionsWhat is the postcode for Nelsons Plains?Nelsons Plains, NSW has the postcode 2324.What state is Nelsons Plains in?Nelsons Plains is in New South Wales (NSW).Does postcode 2324 cover more than one suburb?Yes. Postcode 2324 covers 22 localities, so the postcode alone does not identify Nelsons Plains. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.