Home Postcode finder NSWDL Stannum Stannum postcode NSWDL Stannum is a locality in New South Wales covered by postcode 2371. Postcode 2371 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free Stannum business listing Be the first listing in Stannum Common questionsWhat is the postcode for Stannum?Stannum, NSWDL has the postcode 2371.What state is Stannum in?Stannum is in New South Wales (NSWDL).Does postcode 2371 cover more than one suburb?Yes. Postcode 2371 covers 9 localities, so the postcode alone does not identify Stannum. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.