Home Postcodes by state NSW 2010 Postcode 2010 2010 is the postcode for 2 localities in NSW: Darlinghurst and Surry Hills. Localities with postcode 2010DarlinghurstNSWSurry HillsNSW Postcode 2010 State or territory New South Wales (NSW) Localities 2 Council area Sydney Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2009 · Postcode 2011