Home Postcodes by state NSW 2258 Postcode 2258 2258 is the postcode for 5 localities in NSW: Fountaindale, Kangy Angy, Ourimbah, Palm Grove and Palmdale. Localities with postcode 2258FountaindaleNSWKangy AngyNSWOurimbahNSWPalm GroveNSWPalmdaleNSW Postcode 2258 State or territory New South Wales (NSW) Localities 5 Council area Central Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2257 · Postcode 2259