Home Postcodes by state SA 5212 Postcode 5212 5212 is the postcode for Port Elliot, SA. Localities with postcode 5212Port ElliotSA Postcode 5212 State or territory South Australia (SA) Localities 1 Council area Alexandrina Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5211 · Postcode 5213