Home Postcode finder NSW Calamia Calamia postcode NSW Calamia is a locality in New South Wales covered by postcode 2460. Postcode 2460 State or territory New South Wales (NSW) Region NSW North Coast Add a free Calamia business listing Be the first listing in Calamia Common questionsWhat is the postcode for Calamia?Calamia, NSW has the postcode 2460.What state is Calamia in?Calamia is in New South Wales (NSW).Does postcode 2460 cover more than one suburb?Yes. Postcode 2460 covers 91 localities, so the postcode alone does not identify Calamia. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.