Home Postcodes by state SA 5345 Postcode 5345 5345 is the postcode for 3 localities in SA: Barmera, Loveday and Spectacle Lake. Localities with postcode 5345BarmeraSALovedaySASpectacle LakeSA Postcode 5345 State or territory South Australia (SA) Localities 3 Council area Berri Barmera; Unincorporated SA Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5344 · Postcode 5346