Home Postcodes by state NSW 2322 Postcode 2322 2322 is the postcode for 10 localities in NSW: Beresfield, Black Hill, Chisholm, Hexham, Lenaghan, Stockrington and 4 more. Localities with postcode 2322BeresfieldNSWBlack HillNSWChisholmNSWHexhamNSWLenaghanNSWStockringtonNSWTarroNSWThorntonNSWTomagoNSWWoodberryNSW Postcode 2322 State or territory New South Wales (NSW) Localities 10 Council area Newcastle; Mainly Newcastle, partly Cessnock; Maitland; Cessnock; Port Stephens Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2321 · Postcode 2323