bankstown-square postcode nswst Home ›› Postcode Finder ›› NSWST ›› Bankstown-Square Bankstown Square local listingsThe suburb of Bankstown Square is located in NSW and has a postcode of 2200. Free bankstown square business listing! Get the first free listing in bankstown square! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.