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