Home Postcodes by state NSW 2029 Postcode 2029 2029 is the postcode for Rose Bay, NSW. Localities with postcode 2029Rose BayNSW Postcode 2029 State or territory New South Wales (NSW) Localities 1 Council area Mainly Woollahra, partly Waverley Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2028 · Postcode 2030