leppington postcode nswst Home ›› Postcode Finder ›› NSWST ›› Leppington Leppington local listingsThe suburb of Leppington is located in NSW and has a postcode of 2179. Free leppington business listing! 1Leppington Public SchoolRickard Rd 02 960653972Vogue Homes Emerald Hills Display Centre27 Coral Cct, Leppington NSW 2179, Australia 02 9607 9554 View more business listings in leppington Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.