Home Postcodes by state SA St Johns St Johns postcode SA St Johns is a locality in South Australia covered by postcode 5373. Postcode 5373 State or territory South Australia (SA) Region Sa Subs Near 1 Council area Light Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free St Johns business listing Be the first listing in St Johns Suburbs near St JohnsStraight-line distance between locality centres.MoppaSA 5355 · 3.5 kmKoonungaSA 5373 · 3.9 kmKapundaSA 5373 · 5.1 kmEbenezerSA 5355 · 7.5 kmBagot WellSA 5373 · 8.2 kmGreenockSA 5360 · 9.3 kmNainSA 5360 · 9.5 kmFordsSA 5373 · 9.6 kmNuriootpaSA 5355 · 10.5 kmStockwellSA 5355 · 11.4 kmBethelSA 5373 · 11.8 kmLight PassSA 5355 · 12.0 kmDistances to every suburb around St Johns Also in postcode 5373Allendale NorthSA 5373Bagot WellSA 5373BethelSA 5373FordsSA 5373HamiltonSA 5373KapundaSA 5373KoonungaSA 5373 Common questionsWhat is the postcode for St Johns?St Johns, SA has the postcode 5373.What state is St Johns in?St Johns is in South Australia (SA).What council is St Johns in?St Johns is in the Light local government area.Does postcode 5373 cover more than one suburb?Yes. Postcode 5373 covers 8 localities, so the postcode alone does not identify St Johns.What suburbs are near St Johns?The closest are Moppa (3.5 km), Koonunga (3.9 km), Kapunda (5.1 km), Ebenezer (7.5 km) and Bagot Well (8.2 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.