Telephone Area 503. Page 7.
Prefix: +1503
This prefix is distributed within the state Oregon
The largest city in the region is Portland
Time Zone: Pacific
Winter time: UTC-8
Summer time: UTC-7
Below on the map, there is indicated the largest city in the telephone area +1-503-...-.... Oregon Portland.
Phone numbers +1-503-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Tw Telecom Of Oregon LLC | Clackamas | Charbonneau, OR | +1-503770-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503771-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503772-SSSS |
| Tw Telecom Of Oregon LLC | Washington | North Plains, OR | +1-503773-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503774-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503775-SSSS |
| Tw Telecom Of Oregon LLC | Marion | Aurora, OR | +1-503776-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503777-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503778-SSSS |
| Integra Telecom Of Oregon | Marion | Salem, OR | +1-503779-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503780-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503781-SSSS |
| Level 3 Communications | Tillamook | Cloverdale, OR | +1-503782-SSSS |
| Integra Telecom Of Oregon | Washington | Tualatin, OR | +1-503783-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503784-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503785-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503786-SSSS |
| Qwest Corporation | Polk | Falls City, OR | +1-503787-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503788-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503789-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503790-SSSS |
| New Cingular Wireless PCS | Clatsop | Astoria, OR | +1-503791-SSSS |
| Gervais Telephone Co. | Marion | Gervais, OR | +1-503792-SSSS |
| Nextel Communications | Multnomah | Portland, OR | +1-503793-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503794-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503795-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503796-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503797-SSSS |
| Electric Lightwave DBA Integra Telecom | Marion | Salem, OR | +1-503798-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503799-SSSS |
| Astound Broadband | Gervais, OR | +1-503800-SSSS | |
| New Cingular Wireless PCS | Tillamook | Tillamook, OR | +1-503801-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503802-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503803-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503804-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503805-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503806-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503807-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503808-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503809-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503810-SSSS |
| Cellco Partnership DBA Verizon Wireless | Tillamook | Tillamook, OR | +1-503812-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503813-SSSS |
| Integra Telecom Of Oregon | Salem, OR | +1-503814-SSSS | |
| United Telephone-northwest-or DBA Centurylink | Tillamook | Tillamook, OR | +1-503815-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503816-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503817-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503818-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503819-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503820-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503821-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503822-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503823-SSSS |
| Colton Telephone Co. | Clackamas | Colton, OR | +1-503824-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503825-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503826-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503827-SSSS |
| Level 3 Communications | Washington | Beaverton, OR | +1-503828-SSSS |
| Molalla Telephone Co. | Clackamas | Molalla, OR | +1-503829-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503830-SSSS |
| Qwest Corporation | Polk | Dallas, OR | +1-503831-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503832-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503833-SSSS |
| Cascade Utilities | Clackamas | Estacada, OR | +1-503834-SSSS |
| Frontier Communications Northwest | Yamhill | Amity, OR | +1-503835-SSSS |
| Level 3 Communications | Clatsop | Astoria, OR | +1-503836-SSSS |
| Monmouth Independence Network DBA Minet | Dallas, OR | +1-503837-SSSS | |
| Qwest Corporation | Polk | Independence, OR | +1-503838-SSSS |
| Lcw Wireless License | Portland, OR | +1-503839-SSSS | |
| Tw Telecom Of Oregon LLC | Washington | Beaverton, OR | +1-503840-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503841-SSSS |
| United Telephone-northwest-or DBA Centurylink | Tillamook | Tillamook, OR | +1-503842-SSSS |
| United Telephone-northwest-or DBA Centurylink | Yamhill | Sheridan, OR | +1-503843-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503844-SSSS |
| Mt. Angel Telephone Co. | Marion | Mount Angel, OR | +1-503845-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503846-SSSS |
| Lcw Wireless License | Portland, OR | +1-503847-SSSS | |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503848-SSSS |
| Nextel Communications | Multnomah | Portland, OR | +1-503849-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503850-SSSS |
