Mc Clain County Election Board 121 N 2nd Ave # 101 Purcell, OK 73080 Phone : (405) 527-3121 Business Category Government Offices-County Legislative Bodies Voter Registration Information--mcclain County Purcell, OK 73080 Phone : (405) 527-3121 Business Category Government Offices-County Government Offices & Public Schools Mcclain County Of--election Board Courthouse Purcell, OK 73080 Phone : (405) 527-3121 Business Category Government Offices-County Government Offices & Public Schools