Home Postcodes by state NSW 2734 Postcode 2734 2734 is the postcode for 9 localities in NSW: Cunninyeuk, Dilpurra, Mallan, Mellool, Moolpa, Murray Downs and 3 more. Localities with postcode 2734CunninyeukNSWDilpurraNSWMallanNSWMelloolNSWMoolpaNSWMurray DownsNSWStony CrossingNSWTooranieNSWWetuppaNSW Postcode 2734 State or territory New South Wales (NSW) Localities 9 Council area Murray River Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2733 · Postcode 2735