Home Postcodes by state SA 5608 Postcode 5608 5608 is the postcode for 4 localities in SA: Whyalla Norrie, Whyalla Norrie East, Whyalla Norrie North and Whyalla Stuart. Localities with postcode 5608Whyalla NorrieSAWhyalla Norrie EastSAWhyalla Norrie NorthSAWhyalla StuartSA Postcode 5608 State or territory South Australia (SA) Localities 4 Council area Whyalla Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5607 · Postcode 5609