| 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 |
|---|---|---|---|
| 503-254 | Portland | Multnomah | Landline |
| 503-216 | Portland | Multnomah | Landline |
| 503-641 | Beaverton | Washington | Landline |
| 503-760 | Portland | Multnomah | Landline |
| 503-530 | Beaverton | Washington | Landline |
| 503-367 | Portland | Multnomah | Wireless |
| 503-209 | Portland | Washington | Wireless |
| 503-347 | Portland | Washington | Wireless |
| 503-476 | Newberg | Yamhill | Landline |
| 503-912 | Gresham | Multnomah | Landline |
| 503-323 | Portland | Multnomah | Landline |
| 503-434 | Mcminnville | Yamhill | Landline |
| 503-759 | Molalla | Clackamas | Landline |
| 503-752 | Portland | Washington | Wireless |
| 503-473 | Portland | Multnomah | Landline |
| 503-650 | Oregon City | Clackamas | Landline |
| 503-247 | Portland | Multnomah | Landline |
| 503-669 | Gresham | Multnomah | Landline |
| 503-302 | Salem | Marion | Landline |
| 503-843 | Sheridan | Yamhill | Landline |