| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Downtown Ottawa Post Office | Ottawa, IL 61350 | 405 W Main St | 8154332021 | View Details Get Directions |
| Ottawa Post Office | Ottawa, IL 61350 | 750 E Etna Rd | 8154331177 | View Details Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 100 E Lafayette St | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 100 Lincoln Pl | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 100 W Jackson St | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 1311 Starfire Dr | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 301 E Mckinley Rd | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 301 W Madison St | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 538 State St | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 545 E Norris Dr | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 628 Columbus St | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 701 La Salle St | -- | Get Directions |
| Public Collection Box | Ottawa, IL 61350 | 800 Chestnut St | -- | Get Directions |
