Telephone Area 503. Page 5.
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 |
|---|---|---|---|
| Eschelon Telecomm Of Oregon | Clackamas | Portland, OR | +1-503607-SSSS |
| Tw Telecom Of Oregon LLC | Washington | Beaverton, OR | +1-503608-SSSS |
| Tw Telecom Of Oregon LLC | Multnomah | Corbett, OR | +1-503609-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503610-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503612-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503613-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503614-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503615-SSSS |
| Mcimetro Access Transmission Services LLC | Multnomah | Portland, OR | +1-503616-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503617-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503618-SSSS |
| Eschelon Telecomm Of Oregon | Multnomah | Portland, OR | +1-503619-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503620-SSSS |
| Qwest Corporation | Multnomah | Burlington, OR | +1-503621-SSSS |
| Frontier Communications Northwest | Clackamas | Rhododendron, OR | +1-503622-SSSS |
| Qwest Corporation | Polk | Dallas, OR | +1-503623-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503624-SSSS |
| Frontier Communications Northwest | Washington | Sherwood, OR | +1-503625-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503626-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503627-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503628-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503629-SSSS |
| Cascade Utilities | Clackamas | Estacada, OR | +1-503630-SSSS |
| Clear Creek Mutual Telephone Co. | Clackamas | Redland, OR | +1-503631-SSSS |
| Beaver Creek Cooperative Telephone Co. | Clackamas | Beavercreek, OR | +1-503632-SSSS |
| St Paul Cooperative Telephone Association | Marion | St Paul, OR | +1-503633-SSSS |
| Monitor Cooperative Telephone Co. | Marion | Mount Angel, OR | +1-503634-SSSS |
| Qwest Corporation | Clackamas | Lake Oswego, OR | +1-503635-SSSS |
| Qwest Corporation | Clackamas | Lake Oswego, OR | +1-503636-SSSS |
| Cascade Utilities | Clackamas | Eagle Creek, OR | +1-503637-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503638-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503639-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503640-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503641-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503642-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503643-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503644-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503645-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503646-SSSS |
| Qwest Corporation | Washington | North Plains, OR | +1-503647-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503648-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503649-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503650-SSSS |
| Canby Telephone Association | Clackamas | Canby, OR | +1-503651-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503652-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503653-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503654-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503655-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503656-SSSS |
| Qwest Corporation | Clackamas | Oregon City, OR | +1-503657-SSSS |
| Frontier Communications Northwest | Clackamas | Clackamas, OR | +1-503658-SSSS |
| Qwest Corporation | Clackamas | Clackamas, OR | +1-503659-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503660-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503661-SSSS |
| Frontier Communications Northwest | Yamhill | Yamhill, OR | +1-503662-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503663-SSSS |
| Nextel Communications | Tillamook | Beaver, OR | +1-503664-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503665-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503666-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503667-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503668-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503669-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503670-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503671-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503672-SSSS |
| Frontier Communications Northwest | Washington | Tualatin, OR | +1-503673-SSSS |
| Frontier Communications Northwest | Multnomah | Gresham, OR | +1-503674-SSSS |
| Qwest Corporation | Clackamas | Lake Oswego, OR | +1-503675-SSSS |
| Teleport Communications Group | Multnomah | Gresham, OR | +1-503676-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503677-SSSS |
| Centurytel Of Oregon | Marion | Aurora, OR | +1-503678-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503679-SSSS |
| Cellco Partnership DBA Verizon Wireless | Multnomah | Portland, OR | +1-503680-SSSS |
| Frontier Communications Northwest | Washington | Hillsboro, OR | +1-503681-SSSS |
| Frontier Communications Northwest | Clackamas | Wilsonville, OR | +1-503682-SSSS |
| AT&T Local | Multnomah | Portland, OR | +1-503683-SSSS |
| Frontier Communications Northwest | Washington | Beaverton, OR | +1-503684-SSSS |
| Frontier Communications Northwest | Clackamas | Wilsonville, OR | +1-503685-SSSS |
| Teleport Communications Group | Washington | Beaverton, OR | +1-503686-SSSS |
| Pacific Wave Communications | Yamhill | Mcminnville, OR | +1-503687-SSSS |
