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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 801-559 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-560 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-561 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-562 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-563 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-564 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-565 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-566 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-567 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-568 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-569 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-570 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-571 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-572 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-573 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-574 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-575 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-576 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-578 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-579 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-580 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-581 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-582 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-583 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-584 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-585 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-586 | QWEST CORPORATION | 9636 | CLEARFIELD | UT | |
| 801-587 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-588 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-589 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | KAYSVILLE | UT | |
| 801-590 | AT&T - LOCAL | 7421 | MURRAY | UT | |
| 801-591 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-592 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | PROVO | UT | |
| 801-593 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-594 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-595 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-596 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-597 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-598 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-599 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-601 | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | 7530 | MIDVALE | UT | |
| 801-602 | T-MOBILE USA, INC. | 6529 | PROVO | UT | |
| 801-603 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OGDEN | UT | |
| 801-604 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-605 | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | 7530 | OGDEN | UT | |
| 801-606 | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | 7530 | SALT LAKE | UT | |
| 801-607 | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | 7530 | PROVO | UT | |
| 801-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | UT | |
| 801-612 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-613 | FIRSTDIGITAL COMMUNICATIONS, LLC | 716D | MIDVALE | 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.