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.
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 |
