Omar L Siddiq » Directory Go back to directory. Omar L Siddiq Ashtabula County Prosecutor’s Office Work 25 West Jefferson Street Jefferson Ohio 44047 work Phone: 440-576-3668work Fax: 440-576-3692workfax Email: olsiddiq@ashtabulacounty.usINTERNET Website: https://www.co.ashtabula.oh.us/147/Prosecutor Categories: Assistant Prosecutor Updated 7 months ago.