Home Postcodes by state SA 5000 Postcode 5000 5000 is the postcode for 8 localities in SA: Adelaide, City West Campus, Halifax Street, Hutt Street, Parliament House, Rundle Mall and 2 more. Localities with postcode 5000AdelaideSACity West CampusSAHalifax StreetSAHutt StreetSAParliament HouseSARundle MallSAStation ArcadeSASturt StreetSA Postcode 5000 State or territory South Australia (SA) Localities 8 Council area Adelaide Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4895 · Postcode 5006