cheltenham postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Cheltenham Cheltenham local listingsThe suburb of Cheltenham is located in NSW and has a postcode of 2119. Free cheltenham business listing! 1KU Cheltenham Memorial PreschoolCnr The Promenade & Beecroft Road 02 9876 3109 2Cheltenham Girls High School161-175 Beecroft Rd 02 98764481 View more business listings in cheltenham Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.