strathfield-south postcode nsw Home ›› Postcode Finder ›› NSW ›› Strathfield-South Strathfield South local listingsThe suburb of Strathfield South is located in NSW and has a postcode of 2136. Free strathfield south business listing! Get the first free listing in strathfield south! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.