Home Postcodes by state SA Gladstone Gladstone postcode SA Gladstone is a locality in South Australia covered by postcode 5473. Postcode 5473 State or territory South Australia (SA) Region SA Outer Suburbs Council area Northern Areas Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Gladstone business listing More business listings in Gladstone Suburbs near GladstoneStraight-line distance between locality centres.GeorgetownSA 5472 · 10.6 kmLauraSA 5480 · 10.7 kmHuddlestonSA 5523 · 10.9 kmWest BundaleerSA 5491 · 11.5 kmBeetalooSA 5523 · 13.0 kmCaltowie WestSA 5490 · 13.5 kmCaltowieSA 5490 · 15.2 kmCrystal BrookSA 5523 · 16.8 kmNarridySA 5523 · 17.7 kmStone HutSA 5480 · 19.0 kmBundaleer GardensSA 5491 · 19.3 kmBundaleer NorthSA 5491 · 20.5 km Businesses in GladstoneGladstone High SchoolMain North Rd · 08 86622171Gladstone Primary School2 West Terrace · 08 86622235St Joseph's Parish School1 West Terrace · 08 86622016 Other places called GladstoneGladstoneNSW 2440GladstoneQLD 4680GladstoneTAS 7264 Common questionsWhat is the postcode for Gladstone?Gladstone, SA has the postcode 5473.What state is Gladstone in?Gladstone is in South Australia (SA).What council is Gladstone in?Gladstone is in the Northern Areas local government area.Does postcode 5473 cover more than one suburb?No. Postcode 5473 covers Gladstone only, which is unusual - most Australian postcodes cover several localities.What suburbs are near Gladstone?The closest are Georgetown (10.6 km), Laura (10.7 km), Huddleston (10.9 km), West Bundaleer (11.5 km) and Beetaloo (13.0 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.