Home Postcodes by state NSW 2140 Postcode 2140 2140 is the postcode for 3 localities in NSW: Homebush, Homebush South and Homebush West. Localities with postcode 2140HomebushNSWHomebush SouthNSWHomebush WestNSW Postcode 2140 State or territory New South Wales (NSW) Localities 3 Council area Strathfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2138 · Postcode 2141