Home Postcodes by state NSW 2170 Postcode 2170 2170 is the postcode for 12 localities in NSW: Casula, Chipping Norton, Hammondville, Liverpool, Liverpool South, Lurnea and 6 more. Localities with postcode 2170CasulaNSWCasula MallNSWChipping NortonNSWHammondvilleNSWLiverpoolNSWLiverpool SouthNSWLiverpool WestfieldNSWLurneaNSWMoorebankNSWMount PritchardNSWPrestonsNSWWarwick FarmNSW Postcode 2170 State or territory New South Wales (NSW) Localities 12 Council area Liverpool; Fairfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2168 · Postcode 2171