County Of Oswego Offices--social Services, Mental Health Case Management Mexico, NY 13114 Phone : (315) 963-5397 Business Category Government Offices-County Government Offices & Public Schools Oswego County Of--department Of Social Services, Mental Health Case Management 100 Spring St Mexico, NY 13114 Phone : (315) 963-5397 Business Category Government Offices-County Social Service & Welfare Organizations Offices & Clinics Of Health Practitioners Government Offices & Public Schools