Home Postcodes by state SA 5573 Postcode 5573 5573 is the postcode for 10 localities in SA: Balgowan, Chinaman Wells, Maitland, Point Pearce, Port Victoria, South Kilkerran and 4 more. Localities with postcode 5573BalgowanSAChinaman WellsSAMaitlandSAPoint PearceSAPort VictoriaSASouth KilkerranSAUraniaSAWauralteeSAWeetultaSAYorke ValleySA Postcode 5573 State or territory South Australia (SA) Localities 10 Council area Yorke Peninsula Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5572 · Postcode 5575