port-macdonnell postcode sa Home ›› Postcode Finder ›› SA ›› Port-Macdonnell Port Macdonnell local listingsThe suburb of Port Macdonnell is located in SA and has a postcode of 5291. Free port macdonnell business listing! Get the first free listing in port macdonnell! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.