Home Postcodes by state SA 5108 Postcode 5108 5108 is the postcode for 5 localities in SA: Paralowie, Salisbury, Salisbury Downs, Salisbury North and Salisbury North Whites Road. Localities with postcode 5108ParalowieSASalisburySASalisbury DownsSASalisbury NorthSASalisbury North Whites RoadSA Postcode 5108 State or territory South Australia (SA) Localities 5 Council area Salisbury Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5107 · Postcode 5109