NumberResearchRecent prefix assignments
380 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 801-449 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | MIDVALE | UT | |
| 801-450 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-451 | QWEST CORPORATION | 9636 | FARMINGTON | UT | |
| 801-452 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-453 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-455 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-457 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-458 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-459 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-461 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-462 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-463 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-464 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-465 | QWEST CORPORATION | 9636 | PAYSON | UT | |
| 801-466 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-467 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-468 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-469 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-470 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-471 | T-MOBILE USA, INC. | 6529 | PROVO | UT | |
| 801-472 | T-MOBILE USA, INC. | 6529 | PROVO | UT | |
| 801-473 | T-MOBILE USA, INC. | 6529 | PROVO | UT | |
| 801-474 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-475 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-476 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-478 | PAETEC ITEL, LLC | 829J | SALT LAKE | UT | |
| 801-479 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-480 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-481 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-482 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-483 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-484 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-485 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-486 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-487 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-488 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-489 | QWEST CORPORATION | 9636 | SPRINGVL | UT | |
| 801-490 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-491 | QWEST CORPORATION | 9636 | SPRINGVL | UT | |
| 801-492 | QWEST CORPORATION | 9636 | AMERCNFORK | UT | |
| 801-493 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-494 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PROVO | UT | |
| 801-495 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-496 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-497 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-498 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-499 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | KAYSVILLE | UT | |
| 801-501 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-502 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-504 | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | 7530 | SPANIHFORK | UT |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.