Home Postcodes by state NSW 2042 Postcode 2042 2042 is the postcode for 2 localities in NSW: Enmore and Newtown. Localities with postcode 2042EnmoreNSWNewtownNSW Postcode 2042 State or territory New South Wales (NSW) Localities 2 Council area Inner West; Mainly Inner West, partly Sydney Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2041 · Postcode 2043