leonay postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Leonay Leonay local listingsThe suburb of Leonay is located in NSW and has a postcode of 2750. Free leonay business listing! 1Ballard's Plumbing Pty Ltd5 Bunyan Rd, Leonay NSW 2750, Australia 04249073582Nicole Celeban63 Parklands Ave 02 4727 7292 View more business listings in leonay Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.