Home Postcode finder NSW Main Arm Main Arm postcode NSW Main Arm is a locality in New South Wales covered by postcode 2482. Postcode 2482 State or territory New South Wales (NSW) Region NSW North Coast Add a free Main Arm business listing Be the first listing in Main Arm Common questionsWhat is the postcode for Main Arm?Main Arm, NSW has the postcode 2482.What state is Main Arm in?Main Arm is in New South Wales (NSW).Does postcode 2482 cover more than one suburb?Yes. Postcode 2482 covers 13 localities, so the postcode alone does not identify Main Arm. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.