Telephone Area 503. Page 4.
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 |
|---|---|---|---|
| Qwest Corporation | Multnomah | Portland, OR | +1-503525-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503526-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503527-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503528-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503529-SSSS |
| Teleport Communications Group | Washington | Beaverton, OR | +1-503530-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503531-SSSS |
| Mcimetro Access Transmission Services LLC | Washington | Beaverton, OR | +1-503532-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503533-SSSS |
| Qwest Corporation | Clackamas | Lake Oswego, OR | +1-503534-SSSS |
| Teleport Communications Group | Washington | Tigard, OR | +1-503535-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503536-SSSS |
| Frontier Communications Northwest | Yamhill | Newberg, OR | +1-503537-SSSS |
| Frontier Communications Northwest | Yamhill | Newberg, OR | +1-503538-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503539-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503540-SSSS |
| Eschelon Telecomm Of Oregon | Multnomah | Portland, OR | +1-503542-SSSS |
| Centurytel Of Oregon | Columbia | Scappoose, OR | +1-503543-SSSS |
| T-mobile Usa | Washington | Beaverton, OR | +1-503544-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503545-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503546-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503547-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503548-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503549-SSSS |
| New Cingular Wireless PCS | Yamhill | Newberg, OR | +1-503550-SSSS |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503551-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503552-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503553-SSSS |
| Frontier Communications Northwest | Yamhill | Newberg, OR | +1-503554-SSSS |
| Qwest Corporation | Columbia | Rainier, OR | +1-503556-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503557-SSSS |
| Frontier Communications Northwest | Clackamas | Clackamas, OR | +1-503558-SSSS |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503559-SSSS |
| T-mobile Usa | Yamhill | Mcminnville, OR | +1-503560-SSSS |
| Integra Telecom Of Oregon | Marion | Salem, OR | +1-503561-SSSS |
| Integra Telecom Of Oregon | Marion | Salem, OR | +1-503562-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503563-SSSS |
| Level 3 Communications | Clackamas | Rhododendron, OR | +1-503564-SSSS |
| Oregon Tel | Yamhill | Mcminnville, OR | +1-503565-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503566-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503567-SSSS |
| Lcw Wireless License | Portland, OR | +1-503568-SSSS | |
| Sprint Spectrum L.p. | Marion | Salem, OR | +1-503569-SSSS |
| Frontier Communications Northwest | Clackamas | Wilsonville, OR | +1-503570-SSSS |
| Qwest Corporation | Clackamas | Portland, OR | +1-503571-SSSS |
| Nextel Communications | Multnomah | Portland, OR | +1-503572-SSSS |
| Global Crossing Local Services,inc.-or | Multnomah | Portland, OR | +1-503573-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503574-SSSS |
| Xo Oregon | Multnomah | Portland, OR | +1-503575-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503576-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503577-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503578-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503579-SSSS |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503580-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503581-SSSS |
| Frontier Communications Northwest | Clackamas | Wilsonville, OR | +1-503582-SSSS |
| Cellco Partnership DBA Verizon Wireless | Mcminnville, OR | +1-503583-SSSS | |
| Qwest Corporation | Marion | Salem, OR | +1-503584-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503585-SSSS |
| Advanced Telcom Group | Marion | Salem, OR | +1-503586-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503587-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503588-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503589-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503590-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503591-SSSS |
| Tw Telecom Of Oregon LLC | Clackamas | Canby, OR | +1-503592-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503593-SSSS |
| Integra Telecom Of Oregon | Clackamas | Portland, OR | +1-503594-SSSS |
| Eschelon Telecomm Of Oregon | Multnomah | Portland, OR | +1-503595-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503596-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503597-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503598-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503599-SSSS |
| Astound Broadband | Molalla, OR | +1-503600-SSSS | |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503601-SSSS |
| Sprint Spectrum L.p. | Marion | Salem, OR | +1-503602-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503603-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503604-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503605-SSSS |
| Qwest Corporation | Polk | Independence, OR | +1-503606-SSSS |
