Home Postcode finder NSW North Arm Cove North Arm Cove postcode NSW North Arm Cove is a locality in New South Wales covered by postcode 2324. Postcode 2324 State or territory New South Wales (NSW) Region Hunter Add a free North Arm Cove business listing More business listings in North Arm Cove Businesses in North Arm CoveThe Great Aussie Bush CampNorth Arm Cove · (02) 4997 3044 Common questionsWhat is the postcode for North Arm Cove?North Arm Cove, NSW has the postcode 2324.What state is North Arm Cove in?North Arm Cove is in New South Wales (NSW).Does postcode 2324 cover more than one suburb?Yes. Postcode 2324 covers 22 localities, so the postcode alone does not identify North Arm Cove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.