Home Postcodes by state NSW 2445 Postcode 2445 2445 is the postcode for 4 localities in NSW: Bonny Hills, Grants Beach, Jolly Nose and Lake Cathie. Localities with postcode 2445Bonny HillsNSWGrants BeachNSWJolly NoseNSWLake CathieNSW Postcode 2445 State or territory New South Wales (NSW) Localities 4 Council area Port Macquarie-Hastings Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2444 · Postcode 2446