greenwich postcode nswst Home ›› Postcode Finder ›› NSWST ›› Greenwich Greenwich local listingsThe suburb of Greenwich is located in NSW and has a postcode of 2065. Free greenwich business listing! 1Greenwich Public School32 Kingslangley Rd 02 943632172Northside Clinic2 Greenwich Road (02) 9433 35553KU Greenwich Community Preschool46 Greenwich Road 02 9906 4402 View more business listings in greenwich Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.