Home Postcode finder NSW Kellys Plains Kellys Plains postcode NSW Kellys Plains is a locality in New South Wales covered by postcode 2350. Postcode 2350 State or territory New South Wales (NSW) Region NSW North Coast Add a free Kellys Plains business listing Be the first listing in Kellys Plains Common questionsWhat is the postcode for Kellys Plains?Kellys Plains, NSW has the postcode 2350.What state is Kellys Plains in?Kellys Plains is in New South Wales (NSW).Does postcode 2350 cover more than one suburb?Yes. Postcode 2350 covers 25 localities, so the postcode alone does not identify Kellys Plains. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.