| 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 |
|---|---|---|---|
| 503-527 | Portland | Washington | Wireless |
| 503-227 | Portland | Multnomah | Landline |
| 503-566 | Salem | Marion | Landline |
| 503-596 | Beaverton | Washington | Landline |
| 503-281 | Portland | Multnomah | Landline |
| 503-852 | Carlton | Yamhill | Landline |
| 503-585 | Salem | Marion | Landline |
| 503-285 | Portland | Multnomah | Landline |
| 503-393 | Salem | Marion | Landline |
| 503-753 | Portland | Washington | Wireless |
| 503-288 | Portland | Multnomah | Landline |
| 503-733 | Portland | Multnomah | Landline |
| 503-371 | Salem | Marion | Landline |
| 503-739 | Seaside | Clatsop | Wireless |
| 503-362 | Salem | Marion | Landline |
| 503-932 | Salem | Marion | Wireless |
| 503-223 | Portland | Multnomah | Landline |
| 503-763 | Salem | Marion | Landline |
| 503-295 | Portland | Multnomah | Landline |
| 503-406 | Portland | Multnomah | Landline |