Home Postcodes by state SA 5111 Postcode 5111 5111 is the postcode for 2 localities in SA: Edinburgh and Edinburgh Raaf. Localities with postcode 5111EdinburghSAEdinburgh RaafSA Postcode 5111 State or territory South Australia (SA) Localities 2 Council area Salisbury Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5110 · Postcode 5112