Home Postcodes by state SA 5570 Postcode 5570 5570 is the postcode for 4 localities in SA: Clinton, Port Clinton, Price and Clinton Centre. Localities with postcode 5570ClintonSAClinton CentreSAPort ClintonSAPriceSA Postcode 5570 State or territory South Australia (SA) Localities 4 Council area Yorke Peninsula Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5560 · Postcode 5571