Home Postcodes by state SA 5109 Postcode 5109 5109 is the postcode for 6 localities in SA: Brahma Lodge, Salisbury East, Salisbury East Northbri Ave, Salisbury Heights, Salisbury Park and Salisbury Plain. Localities with postcode 5109Brahma LodgeSASalisbury EastSASalisbury East Northbri AveSASalisbury HeightsSASalisbury ParkSASalisbury PlainSA Postcode 5109 State or territory South Australia (SA) Localities 6 Council area Salisbury Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5108 · Postcode 5110