middleton-grange postcode nsw Home ›› Postcode Finder ›› NSW ›› Middleton-Grange Middleton Grange local listingsThe suburb of Middleton Grange is located in NSW and has a postcode of 2171. Free middleton grange business listing! Get the first free listing in middleton grange! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.