south-plympton postcode sa Home ›› Postcode Finder ›› SA ›› South-Plympton South Plympton local listingsThe suburb of South Plympton is located in SA and has a postcode of 5038. Free south plympton business listing! Get the first free listing in south plympton! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.