Tamara A. Wetherholt » Directory Go back to directory. Tamara A. Wetherholt Ashtabula County Prosecutor’s Office 25 West Jefferson Street Jefferson Ohio 44047 work Phone: 440-576-3662work Fax: 440-576-3600workfax Email: awetherholt@ashtabulacounty.usINTERNET Website: http://www.co.ashtabula.oh.us/147/Prosecutor Categories: Assistant Prosecutor Updated 8 months ago.