Home Postcode finder NSW Back Creek Back Creek postcode NSW Back Creek is a locality in New South Wales covered by postcode 2671. Postcode 2671 State or territory New South Wales (NSW) Region Canberra Add a free Back Creek business listing More business listings in Back Creek Businesses in Back Creekhighfieldfarm343 Back Creek Rd, Back Creek NSW 2484, Australia · 0411 805 172 Common questionsWhat is the postcode for Back Creek?Back Creek, NSW has the postcode 2671.What state is Back Creek in?Back Creek is in New South Wales (NSW).Does postcode 2671 cover more than one suburb?Yes. Postcode 2671 covers 7 localities, so the postcode alone does not identify Back Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.