Home Postcodes by state NSW 2307 Postcode 2307 2307 is the postcode for Shortland, NSW. Localities with postcode 2307ShortlandNSW Postcode 2307 State or territory New South Wales (NSW) Localities 1 Council area Newcastle Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2306 · Postcode 2308