Home Postcodes by state NSW 2424 Postcode 2424 2424 is the postcode for 9 localities in NSW: Caffreys Flat, Cells River, Cooplacurripa, Cundle Flat, Knorrit Flat, Knorrit Forest and 3 more. Localities with postcode 2424Caffreys FlatNSWCells RiverNSWCooplacurripaNSWCundle FlatNSWKnorrit FlatNSWKnorrit ForestNSWMount GeorgeNSWNumber OneNSWTiriNSW Postcode 2424 State or territory New South Wales (NSW) Localities 9 Council area Mid-Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2423 · Postcode 2425