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