| City Clerk – Jenna DeYong | 452-6200 |
| Treasurer – Shari Grimm | 452-6207 |
| Chief of Police – Mike Nordstrom | 451-9760 |
| Police Dispatch – Non Emergency | 877-6111 |
| Fire Chief – Rich Wilson | 452-6222 |
| City Attorney – Brian Konzen | 876-8500 |
| FOIA Attorney – Ellen Burford | 709-7727 |
| Street Department – Public Works | 452-6222 |
| Animal Control | 452-6233 |
| Building & Zoning / Occupancy / Permits | 452-6218 |
| Comptroller – Greg McCalley | 452-6235 |
| Sewer Billing | 452-6211 |
| Granite City School District | 452-5800 |
| Illinois Department of Motor Vehicles | 877-2451 |
| Township Supervisor – Margaret Shipley | 877-0513 |
| Township Tax Assessor | 877-6150 |
| Township Bus Service | 877-0513 |
| Granite City Park District | 877-3059 |
| Granite City Cinema | 512-9000 |
| Granite City Post Office | 877-0700 |
| Granite City Public Library | 452-6238 |
| Republic Trash Services | 659-5360 |
| Illinois American Water Company | 800-422-2782 |
| Gateway Regional Medical Center | 798-3000 |
| Madison Co. Clerk – Debra Ming-Mendoza | 692-6290 |
