CASCADELKS — OR
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | 1 |
| UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR | 4520 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - OR | 7531 | 1 |