Opening hours of Post Office in Flaxley, South Australia Opening hours of Post Office in Flaxley, South Australia Home / South Australia / Flaxley / Post Office Post Office Australia Post 11 Willis Rd, Flaxley SA 5153, Flaxley, South Australia 5153 (08) 8388 8227 Categories of local businesses in Flaxley Construction & Contractors Health consultant Mailing service Post Office Veterinarian Vitamin & supplements store Wellness program