Opening hours of Post Office in Iron Knob, South Australia Opening hours of Post Office in Iron Knob, South Australia Home / South Australia / Iron Knob / Post Office Post Office Australia Post - Iron Knob LPO Iron Knob Rd, Iron Knob SA 5601, Australia, Iron Knob, South Australia 5601 +61 8 8646 2064 Categories of local businesses in Iron Knob Campground Church Establishment Fire Station General Contractor Lodging Museum Organisations & Government Park Place of Worship Post Office Tourist attraction Tourist information center Train station Travel & Accommodation Travel Agency