| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Baker City Post Office | Baker City, OR 97814 | 1550 Dewey Ave | 5415238593 | View Details Get Directions |
| Cove Post Office | Cove, OR 97824 | 601 Main St | 5415684533 | View Details Get Directions |
| Elgin Post Office | Elgin, OR 97827 | 887 Division St | 5414374111 | View Details Get Directions |
| Imbler Post Office | Imbler, OR 97841 | 510 Ruckman Ave | 5415344111 | View Details Get Directions |
| La Grande Post Office | La Grande, OR 97850 | 1202 Washington Ave | 5419627539 | View Details Get Directions |
| North Powder Post Office | North Powder, OR 97867 | 205 E St | 5418982265 | View Details Get Directions |
| Union Post Office | Union, OR 97883 | 268 S Main St | 5415625102 | View Details Get Directions |
| Mailbox in Post Office Lobby | Imbler, OR 97841 | 301 Main St | -- | Get Directions |
| Public Collection Box | Lagrande, OR 97850 | 10101 W 1st St | -- | Get Directions |
| Public Collection Box | Lagrande, OR 97850 | 11619 Island Ave | -- | Get Directions |
| Public Collection Box | Baker City, OR 97814 | 1205 Campbell St | -- | Get Directions |
| Public Collection Box | Baker City, OR 97814 | 1995 3rd St | -- | Get Directions |
| Public Collection Box | Baker City, OR 97814 | 2021 Main St | -- | Get Directions |
| Public Collection Box | Lagrande, OR 97850 | 2111 Adams Ave | -- | Get Directions |
| Public Collection Box | Lagrande, OR 97850 | 2212 Island Ave | -- | Get Directions |
