| District of Oregon area codes: 971 | |
|---|---|
| Country | United States |
| State/Province | Oregon |
| Major City | Portland |
| Time Zone | Pacific |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 971-318 | Yamhill | Amity, OR | Centurylink Communications LLC |
| 971-319 | Multnomah | Portland, OR | Onvoy |
| 971-320 | Clatsop | Seaside, OR | T-mobile Usa |
| 971-321 | Multnomah | Portland, OR | Qwest Corporation |
| 971-322 | Washington | Portland, OR | Cellco Partnership DBA Verizon Wireless |
| 971-327 | Washington | Beaverton, OR | Xo Oregon |
| 971-333 | Clackamas | Rhododendron, OR | Bandwidth.com Clec |
| 971-337 | Clatsop | Astoria, OR | Hunter Construction DBA Hunter Comms |
| 971-338 | Marion | Woodburn, OR | Cricket Communications |
| 971-340 | Multnomah | Portland, OR | T-mobile Usa |
| 971-343 | Marion | Silverton, OR | Bandwidth.com Clec |
| 971-344 | Multnomah | Portland, OR | New Cingular Wireless PCS |
| 971-371 | Multnomah | Portland, OR | Electric Lightwave DBA Integra Telecom |
| 971-373 | Multnomah | Portland, OR | Comcast Phone Of Oregon |
| 971-388 | Marion | Salem, OR | Cricket Communications |
| 971-400 | Multnomah | Portland, OR | Cellco Partnership DBA Verizon Wireless |
| 971-404 | Multnomah | Portland, OR | Xo Oregon |
| 971-407 | Multnomah | Portland, OR | T-mobile Usa |
| 971-409 | Multnomah | Portland, OR | Cellco Partnership DBA Verizon Wireless |
| 971-444 | Marion | Woodburn, OR | Zayo Group |
There are 158 prefixes, In the code area, the major cities are Aloha, OR;Beaverton, OR;Gresham, OR;Hillsboro, OR;. The major city is Portland.