Home Postcodes by state SA 5045 Postcode 5045 5045 is the postcode for 5 localities in SA: Glenelg, Glenelg East, Glenelg Jetty Road, Glenelg North and Glenelg South. Localities with postcode 5045GlenelgSAGlenelg EastSAGlenelg Jetty RoadSAGlenelg NorthSAGlenelg SouthSA Postcode 5045 State or territory South Australia (SA) Localities 5 Council area Holdfast Bay; Mainly Holdfast Bay, partly West Torrens Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5044 · Postcode 5046