lockhart postcode nsw Home ›› Postcode Finder ›› NSW ›› Lockhart Lockhart local listingsThe suburb of Lockhart is located in NSW and has a postcode of 2656. Free lockhart business listing! 1Lockhart Central School6 Halliday St 02 692052092St Joseph's School37-53 Ferrier St 02 69205437 View more business listings in lockhart Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.