| General Information about Area Code 503 | |
|---|---|
| Country | United States |
| State / Province / Territory | Oregon |
| Major City | Portland |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 503-606 | Independence | Polk | Landline |
| 503-384 | Portland | Multnomah | Landline |
| 503-314 | Portland | Washington | Wireless |
| 503-496 | West Linn | Clackamas | Landline |
| 503-979 | Salem | Marion | Landline |
| 503-820 | Portland | Multnomah | Landline |
| 503-540 | Salem | Marion | Landline |
| 503-389 | Portland | Washington | Landline |
| 503-927 | Portland | Multnomah | Wireless |
| 503-479 | Portland | Multnomah | Landline |
| 503-869 | Portland | Washington | Wireless |
| 503-505 | Portland | Multnomah | Landline |
| 503-549 | Portland | Multnomah | Landline |
| 503-856 | Salem | Marion | Landline |
| 503-557 | Oregon City | Clackamas | Landline |
| 503-826 | West Linn | Clackamas | Landline |
| 503-439 | Beaverton | Washington | Landline |
| 503-731 | Portland | Multnomah | Landline |
| 503-632 | Beavercreek | Clackamas | Landline |
| 503-949 | Salem | Marion | Wireless |