Home Postcodes by state NSW 2328 Postcode 2328 2328 is the postcode for 10 localities in NSW: Bureen, Dalswinton, Denman, Giants Creek, Hollydeen, Kerrabee and 4 more. Localities with postcode 2328BureenNSWDalswintonNSWDenmanNSWGiants CreekNSWHollydeenNSWKerrabeeNSWMangoolaNSWMartindaleNSWWiddenNSWYarrawaNSW Postcode 2328 State or territory New South Wales (NSW) Localities 10 Council area Muswellbrook Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2327 · Postcode 2329