Telephone Area 503. Page 6.
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.
In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.
Phone numbers +1-503-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503688-SSSS |
| AT&T Local | Marion | Salem, OR | +1-503689-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503690-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503691-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503692-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503693-SSSS |
| Centurytel Of Oregon | Clackamas | Charbonneau, OR | +1-503694-SSSS |
| Cascade Utilities | Multnomah | Corbett, OR | +1-503695-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503696-SSSS |
| Qwest Corporation | Clackamas | Lake Oswego, OR | +1-503697-SSSS |
| Frontier Communications Northwest | Clackamas | Clackamas, OR | +1-503698-SSSS |
| Qwest Corporation | Clackamas | Lake Oswego, OR | +1-503699-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503701-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503702-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503703-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503704-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503705-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503706-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503707-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503708-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503709-SSSS |
| Nextel Communications | Marion | Woodburn, OR | +1-503710-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503712-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503713-SSSS |
| Global Crossing Local Services,inc.-or | Yamhill | Dayton, OR | +1-503714-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503715-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503716-SSSS |
| Qwest Corporation | Clatsop | Seaside, OR | +1-503717-SSSS |
| Eschelon Telecomm Of Oregon | Washington | Beaverton, OR | +1-503718-SSSS |
| Lcw Wireless License | Portland, OR | +1-503719-SSSS | |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503720-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503721-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503722-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503723-SSSS |
| New Cingular Wireless PCS | Portland, OR | +1-503724-SSSS | |
| Qwest Corporation | Multnomah | Portland, OR | +1-503725-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503726-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503727-SSSS |
| Frontier Communications Northwest | Columbia | Clatskanie, OR | +1-503728-SSSS |
| Cellco Partnership DBA Verizon Wireless | Portland, OR | +1-503729-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503730-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503731-SSSS |
| Tw Telecom Of Oregon LLC | Clackamas | Beavercreek, OR | +1-503732-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503733-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503734-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503735-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503736-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503737-SSSS |
| Qwest Corporation | Clatsop | Seaside, OR | +1-503738-SSSS |
| New Cingular Wireless PCS | Clatsop | Seaside, OR | +1-503739-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503740-SSSS |
| Nextel Communications | Clatsop | Astoria, OR | +1-503741-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503742-SSSS |
| Frontier Communications Northwest | Marion | Turner, OR | +1-503743-SSSS |
| Teleport Communications Group | Multnomah | Portland, OR | +1-503744-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503745-SSSS |
| AT&T Local | Washington | Beaverton, OR | +1-503746-SSSS |
| AT&T Local | Washington | Beaverton, OR | +1-503747-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503748-SSSS |
| Frontier Communications Northwest | Marion | Aumsville, OR | +1-503749-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503750-SSSS |
| Qwest Corporation | Polk | Independence, OR | +1-503751-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503752-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503753-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503754-SSSS |
| Centurytel Of Oregon DBA Centurylink | Washington | Timber, OR | +1-503755-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503756-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503757-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503758-SSSS |
| Molalla Telephone Co. | Clackamas | Molalla, OR | +1-503759-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503760-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503761-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503762-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503763-SSSS |
| Eschelon Telecomm Of Oregon | Multnomah | Portland, OR | +1-503764-SSSS |
| Teleport Communications Group | Multnomah | Portland, OR | +1-503765-SSSS |
| Teleport Communications Group | Multnomah | Portland, OR | +1-503766-SSSS |
| Stayton Cooperative Telephone Co. | Marion | Stayton, OR | +1-503767-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503768-SSSS |
| Stayton Cooperative Telephone Co. | Marion | Stayton, OR | +1-503769-SSSS |
