Home Postcode finder NSW Calderwood Calderwood postcode NSW Calderwood is a locality in New South Wales covered by postcode 2527. Postcode 2527 State or territory New South Wales (NSW) Region Illawarra Add a free Calderwood business listing More business listings in Calderwood Businesses in CalderwoodCalderwood Family Dentalg2/17 Connection Rd, Calderwood NSW 2527, Australia · 02 4249 3738Phone Plugkiosk 2/25 Escarpment Dr, Calderwood NSW, Australia · 0242 580 092 Common questionsWhat is the postcode for Calderwood?Calderwood, NSW has the postcode 2527.What state is Calderwood in?Calderwood is in New South Wales (NSW).Does postcode 2527 cover more than one suburb?Yes. Postcode 2527 covers 8 localities, so the postcode alone does not identify Calderwood. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.