Home Postcode finder NSW North Rocks North Rocks postcode NSW North Rocks is a locality in New South Wales covered by postcode 2151. Postcode 2151 State or territory New South Wales (NSW) Region Parramatta Add a free North Rocks business listing More business listings in North Rocks Businesses in North RocksAlice Betteridge School361-365 North Rocks Rd · 02 98711233Angsana Early Learning Centre49 North Rocks Road, North Rocks New South Wales 2151, Australia · +61 2 9269 9969Anu plumbing4579 North Rocks Road, North Rocks NSW 2151, Australia · 0416 826 453 Common questionsWhat is the postcode for North Rocks?North Rocks, NSW has the postcode 2151.What state is North Rocks in?North Rocks is in New South Wales (NSW).Does postcode 2151 cover more than one suburb?Yes. Postcode 2151 covers 2 localities, so the postcode alone does not identify North Rocks. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.