plympton postcode sa Home ›› Postcode Finder ›› SA ›› Plympton Plympton local listingsThe suburb of Plympton is located in SA and has a postcode of 5038. Free plympton business listing! 1William Light R-12 School21a Errington St08 829704882Plympton Primary School19 Owen St08 829312273St John the Baptist Primary School342 Anzac Highway08 82936280 View more business listings in plympton Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.