Telephone Area 503. Page 3.
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 |
|---|---|---|---|
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503443-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503444-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503445-SSSS |
| Lcw Wireless License | Marion | Silverton, OR | +1-503446-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503447-SSSS |
| Scs Communications And Security | Marion | Aumsville, OR | +1-503448-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503449-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503450-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503451-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503452-SSSS |
| Frontier Communications Northwest | Washington | Tigard, OR | +1-503453-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503454-SSSS |
| Qwest Corporation | Columbia | Clatskanie, OR | +1-503455-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503456-SSSS |
| Nextel Communications | Tillamook | Tillamook, OR | +1-503457-SSSS |
| Centurytel Of Oregon | Clatsop | Astoria, OR | +1-503458-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503459-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503460-SSSS |
| Universal Telecommunications | Clatsop | Seaside, OR | +1-503461-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503462-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503463-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503464-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503465-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503466-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503467-SSSS |
| Level 3 Communications | Clatsop | Astoria, OR | +1-503468-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503469-SSSS |
| T-mobile Usa | Clatsop | Seaside, OR | +1-503470-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503471-SSSS |
| Frontier Communications Northwest | Yamhill | Mcminnville, OR | +1-503472-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503473-SSSS |
| Frontier Communications Northwest | Yamhill | Mcminnville, OR | +1-503474-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503475-SSSS |
| Integra Telecom Of Oregon | Yamhill | Newberg, OR | +1-503476-SSSS |
| Cellco Partnership DBA Verizon Wireless | Portland, OR | +1-503477-SSSS | |
| Qwest Corporation | Multnomah | Portland, OR | +1-503478-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503479-SSSS |
| Integra Telecom Of Oregon | Marion | Salem, OR | +1-503480-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503481-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503482-SSSS |
| Level 3 Communications | Tillamook | Cloverdale, OR | +1-503483-SSSS |
| AT&T Local | Multnomah | Portland, OR | +1-503484-SSSS |
| Advanced Telcom Group | Polk | Salem, OR | +1-503485-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503486-SSSS |
| Global Crossing Local Services,inc.-or | Yamhill | Newberg, OR | +1-503487-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503488-SSSS |
| Integra Telecom Of Oregon | Multnomah | Gresham, OR | +1-503489-SSSS |
| Sprint Spectrum L.p. | Washington | Portland, OR | +1-503490-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503491-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503492-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503493-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503494-SSSS |
| Teleport Communications Group | Washington | Beaverton, OR | +1-503495-SSSS |
| Integra Telecom Of Oregon | Clackamas | Portland, OR | +1-503496-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503497-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503498-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503499-SSSS |
| Teltrust Corporation | Portland, OR | +1-503500-SSSS | |
| Lcw Wireless License | Portland, OR | +1-503501-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503502-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503504-SSSS |
| Integra Telecom Of Oregon | Multnomah | Portland, OR | +1-503505-SSSS |
| AT&T Local | Washington | Beaverton, OR | +1-503506-SSSS |
| Cellco Partnership DBA Verizon Wireless | Marion | Salem, OR | +1-503507-SSSS |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503508-SSSS |
| Cellco Partnership DBA Verizon Wireless | Marion | +1-503509-SSSS | |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503510-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503512-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503513-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503514-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503515-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503516-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503517-SSSS |
| Beaver Creek Cooperative Telephone Co. | Clackamas | Beavercreek, OR | +1-503518-SSSS |
| Nextel Communications | Multnomah | Portland, OR | +1-503519-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503520-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503521-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503522-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503523-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503524-SSSS |
