All assignees
795 prefixes in 541 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 541-500 | MEDFORD | 792K | 2012-08-31 | Yes |
| 541-501 | EUGENE | 5562 | — | Yes |
| 541-502 | GOLD HILL | 076F | 2012-01-19 | Yes |
| 541-503 | EUGENE | 616J | 2025-03-07 | Yes |
| 541-504 | REDMOND | 9638 | — | Yes |
| 541-505 | EUGENE | 7172 | 2005-10-03 | Yes |
| 541-506 | THE DALLES | 4520 | — | — |
| 541-507 | GRANTSPASS | 9638 | 2012-08-01 | Yes |
| 541-508 | BEND | 750E | 2008-10-08 | Yes |
| 541-510 | EUGENE | 5820 | — | Yes |
| 541-511 | XXXXXXXXXX | MULT | — | — |
| 541-512 | PHOENIX | 9638 | — | Yes |
| 541-513 | EUGENE | 6529 | — | — |
| 541-514 | EUGENE | 6529 | — | Yes |
| 541-515 | EUGENE | 6529 | — | Yes |
| 541-516 | REDMOND | 9638 | 2007-02-21 | Yes |
| 541-517 | EUGENE | 5820 | — | — |
| 541-518 | BAKER | 5014 | 2001-03-22 | — |
| 541-519 | BAKER | 5820 | — | Yes |
| 541-520 | EUGENE | 5820 | — | — |
| 541-521 | EUGENE | 5820 | — | — |
| 541-522 | QUINN | 3304 | — | — |
| 541-523 | BAKER | 9638 | — | — |
| 541-524 | BAKER | 9638 | — | Yes |
| 541-525 | EUGENE | 076F | 2008-05-27 | Yes |
| 541-526 | REDMOND | 9638 | 2003-10-30 | Yes |
| 541-527 | REDMOND | 5820 | 2015-10-28 | Yes |
| 541-528 | TIDEWATER | 2393 | — | — |
| 541-529 | OAKLAND | 5820 | 2015-11-12 | Yes |
| 541-530 | ROSEBURG | 5820 | — | Yes |
| 541-531 | MEDFORD | 6349 | — | Yes |
| 541-532 | PILOT ROCK | 750E | 2008-09-04 | Yes |
| 541-533 | SPRAGUERIV | 2360 | — | — |
| 541-534 | IMBLER | 4323 | — | Yes |
| 541-535 | PHOENIX | 9638 | — | — |
| 541-536 | LAPINE | 9638 | — | Yes |
| 541-537 | ROSEBURG | 6010 | 2007-02-20 | Yes |
| 541-538 | WHITE CITY | 5562 | — | Yes |
| 541-539 | KLAMATHFLS | 6010 | 2005-11-17 | Yes |
| 541-540 | RICHLAND | 5014 | 2001-02-16 | — |
| 541-541 | BROOKINGS | 750E | 2024-08-15 | Yes |
| 541-542 | SENECA | 2360 | — | Yes |
| 541-543 | EUGENE | 6529 | — | Yes |
| 541-544 | WAMIC | 2360 | — | Yes |
| 541-545 | BONANZA | 2360 | — | — |
| 541-546 | CULVER | 9638 | — | Yes |
| 541-547 | YACHATS | 2393 | — | — |
| 541-548 | REDMOND | 9638 | — | — |
| 541-549 | SISTERS | 9638 | — | — |
| 541-550 | BEND | 6529 | 2005-09-20 | Yes |
| 541-551 | BANDON | 5820 | 2002-08-12 | Yes |
| 541-552 | ASHLAND | 9638 | — | Yes |
| 541-553 | MADRAS | 9638 | — | — |
| 541-554 | EUGENE | 5820 | — | — |
| 541-555 | DIR ASST | MULT | — | — |
| 541-556 | EUGENE | 5820 | — | Yes |
| 541-557 | LINCOLN CY | 4520 | — | — |
| 541-558 | STATELINE | 9638 | — | Yes |
| 541-559 | MYRTLE PT | 750E | — | Yes |
| 541-560 | PROSPECT | 4520 | — | Yes |
| 541-561 | HERMISTON | 5820 | — | Yes |
| 541-562 | UNION | 4323 | — | Yes |
| 541-563 | WALDPORT | 2393 | — | — |
| 541-564 | HERMISTON | 9638 | — | — |
| 541-565 | MORO | 4520 | — | Yes |
| 541-566 | ATHENA | 9638 | — | Yes |
| 541-567 | HERMISTON | 9638 | — | — |
| 541-568 | COVE | 4323 | — | Yes |
| 541-569 | LOSTINE | 4323 | — | Yes |
| 541-570 | LEBANON | 6529 | — | Yes |
| 541-571 | HERMISTON | 6349 | — | Yes |
| 541-572 | MYRTLE PT | 4323 | — | Yes |
| 541-573 | BURNS | 2360 | — | Yes |
| 541-574 | NEWPORT | 9638 | — | — |
| 541-575 | JOHN DAY | 2360 | — | — |
| 541-576 | SILVERLAKE | 2360 | — | Yes |
| 541-577 | JOSEPH | 4323 | — | Yes |
| 541-578 | MOSIER | 6529 | — | Yes |
| 541-579 | EUGENE | 6529 | — | Yes |
| 541-580 | ROSEBURG | 6010 | — | — |
| 541-581 | LOWELL | 076F | 2015-05-01 | Yes |
| 541-582 | ROGUERIVER | 9638 | — | Yes |
| 541-583 | HARRISBURG | 076F | 2015-05-06 | Yes |
| 541-584 | ELKTON | 2371 | — | — |
| 541-585 | BEND | 750E | — | — |
| 541-586 | JORDAN VLY | 2390 | — | — |
| 541-587 | SCOTTSBURG | 2371 | — | — |
| 541-588 | SISTERS | 9638 | — | Yes |
| 541-589 | BURNS | 5820 | — | Yes |
| 541-590 | FLORENCE | 6529 | 2009-02-17 | Yes |
| 541-591 | KLAMATHFLS | 5820 | — | Yes |
| 541-592 | CAVE JCT | 3401 | — | Yes |
| 541-593 | BEND | 9638 | — | — |
| 541-594 | CRATERLAKE | 4520 | — | Yes |
| 541-595 | BLACKBUTTE | 9638 | — | Yes |
| 541-596 | O BRIEN | 3401 | — | Yes |
| 541-597 | SELMA | 3401 | — | Yes |
| 541-598 | BEND | 9638 | — | Yes |
| 541-599 | ASH VALLEY | 2371 | — | — |
| 541-600 | EUGENE | 551G | 2012-10-23 | Yes |
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.