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 |
|---|---|---|---|---|---|
| 801-506 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | MURRAY | UT | |
| 801-507 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-508 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-509 | T-MOBILE USA, INC. | 6529 | MURRAY | UT | |
| 801-510 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KAYSVILLE | UT | |
| 801-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | UT | |
| 801-514 | T-MOBILE USA, INC. | 6529 | MURRAY | UT | |
| 801-515 | COMCAST IP PHONE, LLC | 318J | SPRINGVL | UT | |
| 801-516 | ONVOY, LLC - UT | 871E | MORGAN | UT | |
| 801-517 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-518 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-519 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-520 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-521 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-522 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-523 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-524 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-525 | QWEST CORPORATION | 9636 | CLEARFIELD | UT | |
| 801-526 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-527 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-528 | XO UTAH, INC. | 7541 | OGDEN | UT | |
| 801-529 | T-MOBILE USA, INC. | 6529 | KAYSVILLE | UT | |
| 801-530 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-531 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-532 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-533 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-534 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-535 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-536 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-537 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-538 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-539 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-540 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KAYSVILLE | UT | |
| 801-541 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-542 | LEVEL 3 COMMUNICATIONS, LLC - UT | 3231 | MIDVALE | UT | |
| 801-543 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-544 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-545 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-546 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-547 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-549 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-550 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-551 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-552 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-553 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-554 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | UT | |
| 801-556 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-557 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-558 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | 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.