| City | County | Zip Code | ODS network |
MHN | Dental PPO |
|---|---|---|---|---|---|
| O'Brien | Josephine | 97534 | Y | N | Y |
| Oakland | Douglas | 97462 | Y | N | Y |
| Oakridge | Lane | 97463 | Y | N | Y |
| Oceanside | Tillamook | 97134 | Y | N | Y |
| Odell | Hood River | 97044 | Y | Y | Y |
| Ontario | Malheur | 97914 | Y | N | Y |
| Ophir | Curry | 97464 | Y | N | N |
| Oregon City | Clackamas | 97045 | Y | Y | Y |
| Otis | Lincoln | 97368 | Y | Y | Y |
| Otter Rock | Lincoln | 97369 | Y | N | Y |
| Oxbow | Baker | 97840 | N | N | N |