| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Columbia Post Office | Columbia, IL 62236 | 800 Columbia Ctr | 6182815300 | View Details Get Directions |
| Fults Post Office | Fults, IL 62244 | 200 Main St | 6184586592 | View Details Get Directions |
| Hecker Post Office | Hecker, IL 62248 | 140 W Monroe St | 6184732922 | View Details Get Directions |
| New Athens Post Office | New Athens, IL 62264 | 200 S Benton St | 6184753233 | View Details Get Directions |
| Prairie Du Rocher Post Office | Prairie Du Rocher, IL 62277 | 211 Henry St | 6182843377 | View Details Get Directions |
| Red Bud Post Office | Red Bud, IL 62278 | 150 S Main St | 6182822180 | View Details Get Directions |
| Renault Post Office | Renault, IL 62279 | 2130 Main St | 6184587233 | View Details Get Directions |
| Valmeyer Post Office | Valmeyer, IL 62295 | 100 Knobloch Blvd | 6189352679 | View Details Get Directions |
| Waterloo Post Office | Waterloo, IL 62298 | 305 E 3rd St | 6189397317 | View Details Get Directions |
| Public Collection Box | New Athens, IL 62264 | 1102 Spotsylvania St | -- | Get Directions |
| Public Collection Box | Waterloo, IL 62298 | 113 S Main St | -- | Get Directions |
| Public Collection Box | Columbia, IL 62236 | 115 W Cherry St | -- | Get Directions |
| Public Collection Box | Waterloo, IL 62298 | 150 Waterloo Commons Dr | -- | Get Directions |
| Public Collection Box | Waterloo, IL 62298 | 501 N Market St | -- | Get Directions |
| Public Collection Box | Waterloo, IL 62298 | 529 S Church St | -- | Get Directions |
| Public Collection Box | Columbia, IL 62236 | 616 N Main St | -- | Get Directions |
| Public Collection Box | Columbia, IL 62236 | 800 Columbia Centre | -- | Get Directions |
| Public Collection Box | Waterloo, IL 62298 | 901 Illinois Ave | -- | Get Directions |
| Public Collection Box | Waterloo, IL 62298 | 961 N Market St | -- | Get Directions |
