Home Postcode finder NSW Elderslie Elderslie postcode NSW Elderslie is a locality in New South Wales covered by postcode 2570. Postcode 2570 State or territory New South Wales (NSW) Region Ingleburn Add a free Elderslie business listing More business listings in Elderslie Businesses in ElderslieElderslie Primary School107 Lodges Rd · 02 46581632Mawarra Public School68 Macarthur Rd · 02 46580990Petit Early Learning Journey Elderslie17-25 Kingsman Ave · 1300 173 848 Common questionsWhat is the postcode for Elderslie?Elderslie, NSW has the postcode 2570.What state is Elderslie in?Elderslie is in New South Wales (NSW).Does postcode 2570 cover more than one suburb?Yes. Postcode 2570 covers 22 localities, so the postcode alone does not identify Elderslie. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.