Home Postcodes by state NSW 2621 Postcode 2621 2621 is the postcode for 7 localities in NSW: Anembo, Bungendore, Bywong, Forbes Creek, Hoskinstown, Primrose Valley and 1 more. Localities with postcode 2621AnemboNSWBungendoreNSWBywongNSWForbes CreekNSWHoskinstownNSWPrimrose ValleyNSWRossiNSW Postcode 2621 State or territory New South Wales (NSW) Localities 7 Council area Snowy Monaro; Queanbeyan-Palerang Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2620 · Postcode 2622