Home Postcodes by state NSW 2790 Postcode 2790 2790 is the postcode for 40 localities in NSW: Ben Bullen, Blackmans Flat, Bowenfels, Clarence, Cobar Park, Corney Town and 34 more. Localities with postcode 2790Ben BullenNSWBlackmans FlatNSWBowenfelsNSWClarenceNSWCobar ParkNSWCorney TownNSWCullen BullenNSWDoctors GapNSWGanbenangNSWGood ForestNSWHamptonNSWHartleyNSWHartley ValeNSWHassans WallsNSWHermitage FlatNSWJenolanNSWKanimblaNSWLidsdaleNSWLithgowNSWLittle HartleyNSWLittletonNSWLowtherNSWMarrangarooNSWMckellars ParkNSWMorts EstateNSWMount LambieNSWNewnesNSWNewnes PlateauNSWOaky ParkNSWPottery EstateNSWRydalNSWSheedys GullyNSWSodwallsNSWSouth BowenfelsNSWSouth LittletonNSWSpringvaleNSWState Mine GullyNSWVale Of ClwyddNSWWolgan ValleyNSWWollangambeNSW Postcode 2790 State or territory New South Wales (NSW) Localities 40 Council area Lithgow; Oberon Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2787 · Postcode 2791