Honorable Richard G Van Dyck 326 W Choctaw Ave Chickasha, OK 73018 Phone : (405) 224-3737 Business Category Government Offices-County Legislative Bodies Grady County Of--district Court Chickasha, OK 73018 Phone : (405) 224-3737 Business Category Government Offices-County Government Offices & Public Schools Grady County District Judge 326 W Choctaw Ave Chickasha, OK 73018 Phone : (405) 224-3737 Business Category County Government-Courts Courts Caddo County Of--district Judge Richard G Van Dyck, Chickasha Office Court Ofc Chickasha, OK 73018 Phone : (405) 224-3737 Business Category Government Offices-County Government Offices & Public Schools Grady County Of--district Court, District Judge, Richard G Van Dyck Courthouse Chickasha, OK 73018 Phone : (405) 224-3737 Business Category Government Offices-County Government Offices & Public Schools