| Post Office Name | City/State | Address | Action |
|---|---|---|---|
| Alton Post Office | Alton, IL 62002 | 2350 Homer M Adams Pkwy | View Details Get Directions |
| Alton Square Post Office | Alton, IL 62002 | 117 Alton Sq | View Details Get Directions |
| Upper Alton Post Office | Alton, IL 62002 | 1624 Main St | View Details Get Directions |
| Public Collection Box | Alton, IL 62002 | 1 Saint Anthonys Way | Get Directions |
| Public Collection Box | Alton, IL 62002 | 101 E 3rd St | Get Directions |
| Public Collection Box | Alton, IL 62002 | 1114 Henry St | Get Directions |
| Public Collection Box | Alton, IL 62002 | 1114 Milton Rd | Get Directions |
| Public Collection Box | Alton, IL 62002 | 1721 Homer M Adams Pkwy | Get Directions |
| Public Collection Box | Alton, IL 62002 | 200 Piasa St | Get Directions |
| Public Collection Box | Alton, IL 62002 | 200 W 3rd St | Get Directions |
| Public Collection Box | Alton, IL 62002 | 231 E Center Dr | Get Directions |
| Public Collection Box | Alton, IL 62002 | 2350 Homer Adams Pkwy | Get Directions |
| Public Collection Box | Alton, IL 62002 | 2811 Homer M Adams Pkwy | Get Directions |
| Public Collection Box | Alton, IL 62002 | 322 E Broadway | Get Directions |
| Public Collection Box | Alton, IL 62002 | 3517 College Ave | Get Directions |
| Public Collection Box | Alton, IL 62002 | 4105 Humbert Rd | Get Directions |
| Public Collection Box | Alton, IL 62002 | 4415 Martin Luther King Dr | Get Directions |
| Public Collection Box | Alton, IL 62002 | 501 Belle St | Get Directions |
| Public Collection Box | Alton, IL 62002 | 601 E 3rd St | Get Directions |
| Public Collection Box | Alton, IL 62002 | 915 E 5th St | Get Directions |
