Home Postcodes by state NSW 2776 Postcode 2776 2776 is the postcode for Faulconbridge, NSW. Localities with postcode 2776FaulconbridgeNSW Postcode 2776 State or territory New South Wales (NSW) Localities 1 Council area Blue Mountains Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2775 · Postcode 2777