woolwich postcode nswst Home ›› Postcode Finder ›› NSWST ›› Woolwich Woolwich local listingsThe suburb of Woolwich is located in NSW and has a postcode of 2110. Free woolwich business listing! 1Woolwich Marina 2c Margaret St 61 2 9879 41652All Marine 2c Margaret Street 02 9879 41653Marist Sisters College66a Woolwich Rd 02 98162041 View more business listings in woolwich Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.