barnsley postcode nsw Home ›› Postcode Finder ›› NSW ›› Barnsley Barnsley local listingsThe suburb of Barnsley is located in NSW and has a postcode of 2278. Free barnsley business listing! 1Barnsley Public School6 Cliffbrook St 02 495329762Fairyland Preschool33 George Street (02) 4953 1040 View more business listings in barnsley Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.