Knox County, website
Knox County in Ohio uses area codes 419 and 740. This page is a phonebook directory where you will find the physical address and contact information of the most relevant government offices in Knox, including the Clerk’s Office, Sheriff’s Office, and the Health Department.
Sheriff’s Office
11540 Upper Gilchrist Road
Mount Vernon, OH 43050
Phone: (740) 397-3333
Fax: (740) 397-5277
Police Department
182 S. Main St., Fredericktown, OH 43019
Phone: (740) 694-9222
County Clerk
117 East High Street, Suite 201
Mount Vernon, Ohio 43050
Phone: (740) 393-6788
Prosecuting Attorney’s
117 East High Street, Suite 234
Mount Vernon, Ohio 43050
Phone: (740) 393-6720
Fax: (740) 397-7792
Recorder
117 East High Street, Suite 114
Mount Vernon, Ohio 43050
Phone: (740) 393-6755
Treasurer
117 East High Street, Suite 103
Mount Vernon, Ohio 43050
Phone: (740) 393-6735
Fax: (740) 397-3153
Health Department
11660 Upper Gilchrist Rd.
Mount Vernon, OH 43050
Phone: (740) 392-2200
Fax: (740) 392-9613
Knox County Jail
11540 Upper Gilchrist Road
Mt. Vernon, OH 43050
Phone: (740) 392-5245
Emergency Management
11540 Upper Gilchrist Rd.
Mt. Vernon, OH 43050
Phone: (740) 393-6772
Social Services
117 East High Street, 3rd & 4th Floors
Mount Vernon, Ohio 43050
Phone: (740) 397-7177
Fire Department
13980 Wooster Road
Mount Vernon, Ohio 43050
Phone: (740) 397-4115
Department of Education
308 Martinsburg Road
Mount Vernon, OH 43050
Phone: (740) 393-6767