Home Postcode finder NSW Cudmirrah Cudmirrah postcode NSW Cudmirrah is a locality in New South Wales covered by postcode 2540. Postcode 2540 State or territory New South Wales (NSW) Region NSW Country West Add a free Cudmirrah business listing Be the first listing in Cudmirrah Common questionsWhat is the postcode for Cudmirrah?Cudmirrah, NSW has the postcode 2540.What state is Cudmirrah in?Cudmirrah is in New South Wales (NSW).Does postcode 2540 cover more than one suburb?Yes. Postcode 2540 covers 68 localities, so the postcode alone does not identify Cudmirrah. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.