st-georges-basin postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› St-Georges-Basin St Georges Basin local listingsThe suburb of St Georges Basin is located in NSW and has a postcode of 2540. Free st georges basin business listing! Get the first free listing in st georges basin! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.