Courthouses in New Philadelphia, Ohio, the US. Courthouses locations in New Philadelphia, 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 University All courthouses in New Philadelphia County Paternity Court Courthouse +1 330-365-3271 101 East High Avenue # 105, New Philadelphia, Ohio 44663 Write a review Phone Directions