largs postcode nswst Home ›› Postcode Finder ›› NSWST ›› Largs Largs local listingsThe suburb of Largs is located in NSW and has a postcode of 2320. Free largs business listing! 1Largs Public School1 Hunter St 02 493014942Atkins Plumbing and Gas10 Arran Circuit, Largs NSW, Australia 0409879009 View more business listings in largs Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.