marion postcode sa Home ›› Postcode Finder ›› SA ›› Marion Marion local listingsThe suburb of Marion is located in SA and has a postcode of 5043. Free marion business listing! 1St Ann's Special School37 Finniss St 08 829687772Westminster School1-23 Alison Ave 08 827712663Sunrise Christian School284-288 Sturt Rd 08 82963761 View more business listings in marion Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.