Home Postcodes by state SA 5220 Postcode 5220 5220 is the postcode for Parndana, SA. Localities with postcode 5220ParndanaSA Postcode 5220 State or territory South Australia (SA) Localities 1 Council area Kangaroo Island Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5214 · Postcode 5221