| Business | Phone |
| Pontiac City Mayors Office 115 W Howard St, Pontiac 61764 | (815) 844-3396 |
| Pontiac City Bldg Inspector 115 W Howard St, Pontiac 61764 | (815) 844-1038 |
| Pontiac Sewer Billing Dept 115 W Howard St, Pontiac 61764 | (815) 844-5740 |
| Pontiac Sewer Treatment Plant 1021 W Reynolds St, Pontiac 61764 | (815) 844-5574 |
| Pontiac Township Supervisor 320 W Madison St, Pontiac 61764 | (815) 844-6682 |