Home Postcodes by state NSW 2846 Postcode 2846 2846 is the postcode for 3 localities in NSW: Capertee, Glen Davis and Round Swamp. Localities with postcode 2846CaperteeNSWGlen DavisNSWRound SwampNSW Postcode 2846 State or territory New South Wales (NSW) Localities 3 Council area Lithgow Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2845 · Postcode 2847