Opening hours of Post Office in Hallett, South Australia Opening hours of Post Office in Hallett, South Australia Home / South Australia / Hallett / Post Office Post Office Australia Post Lot 357 Richard St, Hallett SA 5419, Australia, Hallett, South Australia 5419 +61 8 8894 2017 Categories of local businesses in Hallett Art Gallery Cemetery City hall Establishment Food Hotel Livestock breeder Local Government Office Police Police Department Post Office