Telephone Area 503. Page 8.
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 |
|---|---|---|---|
| T-mobile Usa | Marion | Salem, OR | +1-503851-SSSS |
| United Telephone-northwest-or DBA Centurylink | Yamhill | Carlton, OR | +1-503852-SSSS |
| Cellco Partnership DBA Verizon Wireless | Portland, OR | +1-503853-SSSS | |
| Frontier Communications Northwest | Marion | Detroit, OR | +1-503854-SSSS |
| Tw Telecom Of Oregon LLC | Washington | Beaverton, OR | +1-503855-SSSS |
| Qwest Corporation | Marion | Salem, OR | +1-503856-SSSS |
| Tw Telecom Of Oregon LLC | Yamhill | Mcminnville, OR | +1-503857-SSSS |
| Tw Telecom Of Oregon LLC | Washington | Beaverton, OR | +1-503858-SSSS |
| Peoples Tel Co | Linn | Lyons, OR | +1-503859-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503860-SSSS |
| Qwest Corporation | Clatsop | Warrenton, OR | +1-503861-SSSS |
| Tw Telecom Of Oregon LLC | Washington | Beaverton, OR | +1-503862-SSSS |
| New Cingular Wireless PCS | Portland, OR | +1-503863-SSSS | |
| Frontier Communications Northwest | Yamhill | Dayton, OR | +1-503864-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503865-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503866-SSSS |
| Cellco Partnership DBA Verizon Wireless | Portland, OR | +1-503867-SSSS | |
| Frontier Communications Northwest | Yamhill | Grand Island, OR | +1-503868-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503869-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503870-SSSS |
| Cellco Partnership DBA Verizon Wireless | Marion | Salem, OR | +1-503871-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503872-SSSS |
| Frontier Communications Northwest | Marion | Silverton, OR | +1-503873-SSSS |
| Frontier Communications Northwest | Marion | Silverton, OR | +1-503874-SSSS |
| Lcw Wireless License | Portland, OR | +1-503875-SSSS | |
| United Telephone-northwest-or DBA Centurylink | Yamhill | Willamina, OR | +1-503876-SSSS |
| Cellco Partnership DBA Verizon Wireless | Marion | Detroit, OR | +1-503877-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503878-SSSS |
| United Telephone-northwest-or DBA Centurylink | Polk | Grand Ronde, OR | +1-503879-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503880-SSSS |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503881-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Portland, OR | +1-503882-SSSS |
| Integra Telecom Of Oregon | Yamhill | Mcminnville, OR | +1-503883-SSSS |
| Sprint Spectrum L.p. | Marion | Salem, OR | +1-503884-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503885-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503886-SSSS |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503887-SSSS |
| T-mobile Usa | Multnomah | Portland, OR | +1-503888-SSSS |
| Teleport Communications Group | Multnomah | Portland, OR | +1-503889-SSSS |
| Sprint Spectrum L.p. | Multnomah | Portland, OR | +1-503890-SSSS |
| Sprint Spectrum L.p. | Multnomah | Portland, OR | +1-503891-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503892-SSSS |
| X5 Solutions - WA | Marion | Aumsville, OR | +1-503893-SSSS |
| Cellco Partnership DBA Verizon Wireless | Linn | Portland, OR | +1-503894-SSSS |
| Ymax Communications Corp. | Rhododendron, OR | +1-503895-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Portland, OR | +1-503896-SSSS | |
| Frontier Communications Northwest | Linn | Mill City, OR | +1-503897-SSSS |
| Beaver Creek Cooperative Telephone Co. | Redland, OR | +1-503898-SSSS | |
| Tw Telecom Of Oregon LLC | Yamhill | Newberg, OR | +1-503899-SSSS |
| Astound Broadband | Lyons, OR | +1-503900-SSSS | |
| Sprint Spectrum L.p. | Multnomah | Portland, OR | +1-503901-SSSS |
| Astound Broadband | Marion | Woodburn, OR | +1-503902-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503903-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503904-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503905-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503906-SSSS |
| Electric Lightwave DBA Integra Telecom | Multnomah | Portland, OR | +1-503907-SSSS |
| Comcast Phone Of Oregon | Clackamas, OR | +1-503908-SSSS | |
| Qwest Corporation | Multnomah | Portland, OR | +1-503909-SSSS |
| Cellco Partnership DBA Verizon Wireless | Marion | Salem, OR | +1-503910-SSSS |
| Comcast Phone Of Oregon | Gresham, OR | +1-503912-SSSS | |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503913-SSSS |
| Pac - West Telecomm | Multnomah | Portland, OR | +1-503914-SSSS |
| New Cingular Wireless PCS | Clatsop | Portland, OR | +1-503915-SSSS |
| Qwest Corporation | Multnomah | Portland, OR | +1-503916-SSSS |
| Sprint Spectrum L.p. | Polk | Dallas, OR | +1-503917-SSSS |
| Usa Mobility Wireless | Marion | Salem, OR | +1-503918-SSSS |
| New Cingular Wireless PCS | Clackamas | Portland, OR | +1-503919-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503920-SSSS |
| Usa Mobility Wireless | Multnomah | Portland, OR | +1-503921-SSSS |
| Teleport Communications Group | Washington | Portland, OR | +1-503922-SSSS |
| Universal Telecommunications | Washington | Beaverton, OR | +1-503923-SSSS |
| Integra Telecom Of Oregon | Washington | Beaverton, OR | +1-503924-SSSS |
| Frontier Communications Northwest | Washington | Sherwood, OR | +1-503925-SSSS |
| Lcw Wireless License | Portland, OR | +1-503926-SSSS | |
| T-mobile Usa | Multnomah | Portland, OR | +1-503927-SSSS |
| New Cingular Wireless PCS | Portland, OR | +1-503928-SSSS | |
| New Cingular Wireless PCS | Multnomah | Portland, OR | +1-503929-SSSS |
| Cellco Partnership DBA Verizon Wireless | Marion | Salem, OR | +1-503930-SSSS |
| New Cingular Wireless PCS | Marion | Salem, OR | +1-503931-SSSS |
