Home Postcodes by state SA 5670 Postcode 5670 5670 is the postcode for 11 localities in SA: Bramfield, Colton, Coolillie, Elliston, Kappawanta, Mount Joy and 5 more. Localities with postcode 5670BramfieldSAColtonSACoolillieSAEllistonSAKappawantaSAMount JoySAMount WedgeSAPalkageeSAPoldaSATaliaSAUlyerraSA Postcode 5670 State or territory South Australia (SA) Localities 11 Council area Elliston Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5661 · Postcode 5671