Home Postcodes by state NSW 2137 Postcode 2137 2137 is the postcode for 5 localities in NSW: Breakfast Point, Cabarita, Concord, Mortlake and North Strathfield. Localities with postcode 2137Breakfast PointNSWCabaritaNSWConcordNSWMortlakeNSWNorth StrathfieldNSW Postcode 2137 State or territory New South Wales (NSW) Localities 5 Council area Canada Bay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2136 · Postcode 2138