Home Postcodes by state NSW 2197 Postcode 2197 2197 is the postcode for Bass Hill, NSW. Localities with postcode 2197Bass HillNSW Postcode 2197 State or territory New South Wales (NSW) Localities 1 Council area Canterbury-Bankstown Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2196 · Postcode 2198