| City | Area Code | Dialing Code |
|---|---|---|
| Albany | 458 | +1 458 |
| Albany | 541 | +1 541 |
| Aloha | 503 | +1 503 |
| Aloha | 971 | +1 971 |
| Beaverton | 503 | +1 503 |
| Beaverton | 971 | +1 971 |
| Corvallis | 458 | +1 458 |
| Corvallis | 541 | +1 541 |
| Grants Pass | 458 | +1 458 |
| Grants Pass | 541 | +1 541 |
| Gresham | 458 | +1 458 |
| Gresham | 503 | +1 503 |
| Gresham | 541 | +1 541 |
| Gresham | 971 | +1 971 |
| Hillsboro | 503 | +1 503 |
| Hillsboro | 971 | +1 971 |
| Keizer | 503 | +1 503 |
| Keizer | 971 | +1 971 |
| Lake Oswego | 503 | +1 503 |
| Lake Oswego | 971 | +1 971 |
| McMinnville | 503 | +1 503 |
| McMinnville | 971 | +1 971 |
| Medford | 458 | +1 458 |
| Medford | 541 | +1 541 |
| Milwaukie | 503 | +1 503 |
| Milwaukie | 971 | +1 971 |
| North Bend | 458 | +1 458 |
| North Bend | 541 | +1 541 |
| Oregon City | 503 | +1 503 |
| Oregon City | 971 | +1 971 |
| Portland | 503 | +1 503 |
| Portland | 971 | +1 971 |
| Roseburg North | 458 | +1 458 |
| Roseburg North | 541 | +1 541 |
| Salem | 503 | +1 503 |
| Salem | 971 | +1 971 |
| Springfield | 458 | +1 458 |
| Springfield | 541 | +1 541 |
| Tigard | 503 | +1 503 |
| Tigard | 971 | +1 971 |
| Tualatin | 503 | +1 503 |
| Tualatin | 971 | +1 971 |
| West Linn | 503 | +1 503 |
| West Linn | 971 | +1 971 |
| Woodburn | 503 | +1 503 |
| Woodburn | 971 | +1 971 |