| Business | Phone |
| City Of Fostoria 744 W Fremont St, Fostoria 44830 | (419) 436-0866 |
| Fosteria Sewage Disposal Plant 1301 Perrysburg Rd, Fostoria 44830 | (419) 435-3263 |
| Fostoria Auditor's Office 213 S Main St, Fostoria 44830 | (419) 435-2927 |
| Fostoria Engineering Dept 213 S Main St, Fostoria 44830 | (419) 435-8243 |
| Fostoria Safety Director 213 S Main St, Fostoria 44830 | (419) 435-2561 |
| Jackson Township Trustees 10014 W County Road 28, Fostoria 44830 | (419) 435-8031 |
| Loudon Township 10000 W Township Road 59, Fostoria 44830 | (419) 435-1332 |
| Municipal Garage 1235 Perrysburg Rd, Fostoria 44830 | (419) 435-3312 |
| Sewer Maintenance 1301 Perrysburg Rd, Fostoria 44830 | (419) 435-0992 |