UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR
27 prefixes in 541 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 541-296 | THE DALLES | 4520 | — | — |
| 541-298 | THE DALLES | 4520 | — | — |
| 541-308 | HOOD RIVER | 4520 | — | Yes |
| 541-333 | GRASS VLY | 4520 | — | — |
| 541-352 | PARKDALE | 4520 | — | — |
| 541-354 | ODELL | 4520 | — | Yes |
| 541-374 | CASCADELKS | 4520 | — | — |
| 541-386 | HOOD RIVER | 4520 | — | — |
| 541-387 | HOOD RIVER | 4520 | — | — |
| 541-442 | WASCO | 4520 | — | Yes |
| 541-454 | ARLINGTON | 4520 | — | Yes |
| 541-478 | MOSIER | 4520 | — | — |
| 541-506 | THE DALLES | 4520 | — | — |
| 541-557 | LINCOLN CY | 4520 | — | — |
| 541-560 | PROSPECT | 4520 | — | Yes |
| 541-565 | MORO | 4520 | — | Yes |
| 541-594 | CRATERLAKE | 4520 | — | Yes |
| 541-739 | RUFUS | 4520 | — | Yes |
| 541-793 | DIAMOND LK | 4520 | — | Yes |
| 541-826 | WHITE CITY | 4520 | — | — |
| 541-830 | WHITE CITY | 4520 | — | — |
| 541-831 | WHITE CITY | 4520 | — | — |
| 541-865 | BUTTEFALLS | 4520 | — | Yes |
| 541-878 | SHADY COVE | 4520 | — | Yes |
| 541-949 | FISH LAKE | 4520 | — | Yes |
| 541-994 | LINCOLN CY | 4520 | — | — |
| 541-996 | LINCOLN CY | 4520 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.