County Government--calhoun County Saint Matthews, SC 29135 Phone : (803) 874-2435 Business Category Government Offices-County Social Service & Welfare Organizations Community Services Government Offices & Public Schools Calhoun County Administration 102 Courthouse Dr # 108 Saint Matthews, SC 29135 Phone : (803) 874-2435 Business Category Government Offices-County Legislative Bodies Calhoun County Of--county Council 108 Courthouse Dr Saint Matthews, SC 29135 Phone : (803) 874-2435 Business Category Government Offices-County Government Offices & Public Schools