Home Postcodes by state NSW 2834 Postcode 2834 2834 is the postcode for 2 localities in NSW: Angledool and Lightning Ridge. Localities with postcode 2834AngledoolNSWLightning RidgeNSW Postcode 2834 State or territory New South Wales (NSW) Localities 2 Council area Mainly Brewarrina, partly Walgett; Walgett Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2833 · Postcode 2835