Business & Community Information--calhoun County Saint Matthews, SC 29135 Phone : (803) 655-5650 Business Category Government Offices-County Social Service & Welfare Organizations Community Services Government Offices & Public Schools Calhoun County Of--development Commission 114 Courthouse Dr Saint Matthews, SC 29135 Phone : (803) 655-5650 Business Category Government Offices-County Legislative Bodies Government Offices & Public Schools Calhoun County Chamber-commerce 114 Courthouse Dr Saint Matthews, SC 29135 Phone : (803) 655-5650 Business Category Government Offices-County Associations Chambers Of Commerce Government Offices & Public Schools