Home Postcodes by state NSW 2866 Postcode 2866 2866 is the postcode for 7 localities in NSW: Amaroo, Boomey, Cundumbul, Euchareena, Garra, Larras Lee and 1 more. Localities with postcode 2866AmarooNSWBoomeyNSWCundumbulNSWEuchareenaNSWGarraNSWLarras LeeNSWMolongNSW Postcode 2866 State or territory New South Wales (NSW) Localities 7 Council area Cabonne; Dubbo Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2865 · Postcode 2867