Courthouses in Zanesville, Ohio, the US. Courthouses locations in Zanesville, Ohio. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School Travel University All courthouses in Zanesville Muskingum County Clerk-Court Courthouse +1 740-455-7104 401 Main Street, Zanesville, Ohio 43701 Write a review Phone Website Directions Muskingum County Clerk-Court Courthouse +1 740-455-7104 401 Main Street, Zanesville, Ohio 43701 Write a review Phone Website Directions