Home Postcodes by state NSW 2251 Postcode 2251 2251 is the postcode for 12 localities in NSW: Avoca Beach, Bensville, Bouddi, Copacabana, Davistown, Green Point and 6 more. Localities with postcode 2251Avoca BeachNSWBensvilleNSWBouddiNSWCopacabanaNSWDavistownNSWGreen PointNSWKincumberNSWKincumber SouthNSWMacmasters BeachNSWPicketts ValleyNSWSaratogaNSWYattalungaNSW Postcode 2251 State or territory New South Wales (NSW) Localities 12 Council area Central Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2250 · Postcode 2256