Home Postcodes by state SA Franklyn Franklyn postcode SA Franklyn is a locality in South Australia covered by postcode 5421. Postcode 5421 State or territory South Australia (SA) Region SA Outer Suburbs Council area Goyder Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Franklyn business listing Be the first listing in Franklyn Suburbs near FranklynStraight-line distance between locality centres.WonnaSA 5419 · 11.3 kmTerowieSA 5421 · 14.7 kmParnarooSA 5422 · 16.5 kmPine CreekSA 5419 · 20.4 kmWhyte YarcowieSA 5420 · 20.8 kmSunnybraeSA 5422 · 22.5 kmUcoltaSA 5422 · 24.4 km Also in postcode 5421TerowieSA 5421 Common questionsWhat is the postcode for Franklyn?Franklyn, SA has the postcode 5421.What state is Franklyn in?Franklyn is in South Australia (SA).What council is Franklyn in?Franklyn is in the Goyder local government area.Does postcode 5421 cover more than one suburb?Yes. Postcode 5421 covers 2 localities, so the postcode alone does not identify Franklyn.What suburbs are near Franklyn?The closest are Wonna (11.3 km), Terowie (14.7 km), Parnaroo (16.5 km), Pine Creek (20.4 km) and Whyte Yarcowie (20.8 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.