Home Postcode finder NSW Polo Flat Polo Flat postcode NSW Polo Flat is a locality in New South Wales covered by postcode 2630. Postcode 2630 State or territory New South Wales (NSW) Region Canberra Add a free Polo Flat business listing Be the first listing in Polo Flat Common questionsWhat is the postcode for Polo Flat?Polo Flat, NSW has the postcode 2630.What state is Polo Flat in?Polo Flat is in New South Wales (NSW).Does postcode 2630 cover more than one suburb?Yes. Postcode 2630 covers 39 localities, so the postcode alone does not identify Polo Flat. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.