arcadia postcode nsw Home ›› Postcode Finder ›› NSW ›› Arcadia Arcadia local listingsThe suburb of Arcadia is located in NSW and has a postcode of 2159. Free arcadia business listing! 1Northholm Grammar School79 Cobah Rd02 965615562Arcadia Public School140 Arcadia Rd02 96531207 View more business listings in arcadia Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.