Post Offices List in Granite City City, Illinois:
| Granite City Post Office | 2350 Madison Ave, Granite City, IL 62040 |
| Nameoki Post Office | 3236 Nameoki Rd, Granite City, IL 62040 |
| Mitchell Post Office | 506 E Chain Of Rocks Rd, Granite City, IL 62040 |
| Granite City Post Office | 2350 Madison Ave, Granite City, IL 62040 |
| Nameoki Post Office | 3236 Nameoki Rd, Granite City, IL 62040 |
| Mitchell Post Office | 506 E Chain Of Rocks Rd, Granite City, IL 62040 |