| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Boardman Post Office | Boardman, OR 97818 | 200 Nw 1st St | 5414814925 | View Details Get Directions |
| Echo Post Office | Echo, OR 97826 | 130 W Main | 5413768351 | View Details Get Directions |
| Heppner Post Office | Heppner, OR 97836 | 167 N Main St | 5416769630 | View Details Get Directions |
| Hermiston Post Office | Hermiston, OR 97838 | 375 W Orchard Ave | 5415647921 | View Details Get Directions |
| Ione Post Office | Ione, OR 97843 | 180 W Main St | 5414227554 | View Details Get Directions |
| Irrigon Post Office | Irrigon, OR 97844 | 300 Ne Main Ave | 5419225012 | View Details Get Directions |
| Mailbox in Post Office Lobby | Heppner, OR 97836 | 173 N Main St | -- | Get Directions |
| Public Collection Box | Heppner, OR 97836 | 340 E Main St | -- | Get Directions |
| Public Collection Box | Hermiston, OR 97838 | 411 E Main St | -- | Get Directions |
| Public Collection Box | Hermiston, OR 97838 | 582 E Main St | -- | Get Directions |
| Public Collection Box | Hermiston, OR 97838 | 750 W Elm Ave | -- | Get Directions |
