Home Postcodes by state NSW 2404 Postcode 2404 2404 is the postcode for 9 localities in NSW: Bangheet, Bingara, Dinoga, Elcombe, Gineroi, Keera and 3 more. Localities with postcode 2404BangheetNSWBingaraNSWDinogaNSWElcombeNSWGineroiNSWKeeraNSWPallalNSWRiverviewNSWUpper BingaraNSW Postcode 2404 State or territory New South Wales (NSW) Localities 9 Council area Gwydir Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2403 · Postcode 2405