| Business | Phone |
| City Engineer 51 E Market St, Tiffin 44883 | (419) 448-5425 |
| City Of Tiffin 7 W Market St, Tiffin 44883 | (419) 443-9424 |
| Clinton Township Bldg 837 Portland Rd, Tiffin 44883 | (419) 447-2472 |
| Eden Twp Trustees 3223 E County Road 6, Tiffin 44883 | (419) 397-2279 |
| Liberty Twp Trustees Liberty Twp Road 152, Tiffin 44883 | (419) 448-8655 |
| Tiffin Administrator Office 51 E Market St # 2, Tiffin 44883 | (419) 448-5402 |
| Tiffin City Prosecutor 51 E Market St # A21, Tiffin 44883 | (419) 448-5422 |
| Tiffin City Sewer Collection 53 E Market St # 102, Tiffin 44883 | (419) 448-5429 |
| Tiffin Electrical Maintenance 601 Miami St, Tiffin 44883 | (419) 448-5432 |
| Tiffin Finance Director 53 E Market St, Tiffin 44883 | (419) 448-5403 |