Bret R Hartup » Directory Go back to directory. Bret R Hartup Ashtabula County Prosecutor’s Office Work 25 West Jefferson Street Jefferson Ohio 44047 work Phone: 440-576-5673work Fax: 440-576-3672workfax Email: brhartup@ashtabulacounty.usINTERNET Categories: Assistant Prosecutor Updated 8 months ago.