Home Postcodes by state NSW 2526 Postcode 2526 2526 is the postcode for 7 localities in NSW: Cordeaux, Cordeaux Heights, Farmborough Heights, Kembla Grange, Kembla Heights, Mount Kembla and 1 more. Localities with postcode 2526CordeauxNSWCordeaux HeightsNSWFarmborough HeightsNSWKembla GrangeNSWKembla HeightsNSWMount KemblaNSWUnanderraNSW Postcode 2526 State or territory New South Wales (NSW) Localities 7 Council area Wollongong Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2525 · Postcode 2527