| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Albers Post Office | Albers, IL 62215 | 110 N Broadway | 6182485158 | View Details Get Directions |
| Aviston Post Office | Aviston, IL 62216 | 102 S Page St | 6182287759 | View Details Get Directions |
| Bartelso Post Office | Bartelso, IL 62218 | 303 S Washington St | 6187652150 | View Details Get Directions |
| Beckemeyer Post Office | Beckemeyer, IL 62219 | 470 Louis St | 6182278698 | View Details Get Directions |
| Breese Post Office | Breese, IL 62230 | 501 N 2nd St | 6185267912 | View Details Get Directions |
| Carlyle Post Office | Carlyle, IL 62231 | 1080 Fairfax St | 6185943322 | View Details Get Directions |
| Centralia Post Office | Centralia, IL 62801 | 314 S Poplar St | 6185326717 | View Details Get Directions |
| Germantown Post Office | Germantown, IL 62245 | 405 Munster St | 6185234726 | View Details Get Directions |
| Highland Post Office | Highland, IL 62249 | 801 Main St | 6186546791 | View Details Get Directions |
| Hoffman Post Office | Hoffman, IL 62250 | 101 S Broadway | 6184952632 | View Details Get Directions |
| Keyesport Post Office | Keyesport, IL 62253 | 401 Washington St | 6187495252 | View Details Get Directions |
| New Baden Post Office | New Baden, IL 62265 | 203 E Hanover St | 6185884733 | View Details Get Directions |
| New Memphis Post Office | New Memphis, IL 62266 | 84 S 2nd St | 6185884074 | View Details Get Directions |
| Patoka Post Office | Patoka, IL 62875 | 105 S Railroad St | 6184325922 | View Details Get Directions |
| Pocahontas Post Office | Pocahontas, IL 62275 | 107 Park St | 6186692384 | View Details Get Directions |
| Sandoval Post Office | Sandoval, IL 62882 | 308 N Main St | 6182473895 | View Details Get Directions |
| Trenton Post Office | Trenton, IL 62293 | 120 E Broadway | 6182249412 | View Details Get Directions |
| Mailbox in Post Office Lobby | Breese, IL 62230 | 502 N 2nd St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 100 Washington Blvd | -- | Get Directions |
| Public Collection Box | Highland, IL 62249 | 1007 Washington St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 1050 Ml King Dr | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 1067 W Broadway | -- | Get Directions |
| Public Collection Box | Highland, IL 62249 | 1310 Mercantile Dr | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 1311 S Poplar St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 1422 E Mccord St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 215 S Poplar St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 223 N Commercial St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 232 E Broadway | -- | Get Directions |
| Public Collection Box | Highland, IL 62249 | 2663 Northtown Way | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 301 Melrose Ave | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 318 S Elm St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 325 S Poplar St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 336 N Elm St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 429 S Pleasant Ave | -- | Get Directions |
| Public Collection Box | Carlyle, IL 62231 | 510 8th St | -- | Get Directions |
| Public Collection Box | Centralia, IL 62801 | 800 S Elm St | -- | Get Directions |
| Public Collection Box | Highland, IL 62249 | 802 Main St | -- | Get Directions |
| Public Collection Box | Carlyle, IL 62231 | 850 Fairfax St | -- | Get Directions |
