Home Postcodes by state NSW 2400 Postcode 2400 2400 is the postcode for 8 localities in NSW: Ashley, Bullarah, Crooble, Mallowa, Moree, Moree East and 2 more. Localities with postcode 2400AshleyNSWBullarahNSWCroobleNSWMallowaNSWMoreeNSWMoree EastNSWTerry Hie HieNSWTulloonaNSW Postcode 2400 State or territory New South Wales (NSW) Localities 8 Council area Moree Plains; Gwydir Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2399 · Postcode 2401