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 |
|---|---|---|---|---|---|
| 801-614 | QWEST CORPORATION | 9636 | CLEARFIELD | UT | |
| 801-617 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-618 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-619 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-620 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-621 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-622 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-624 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-625 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-626 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-627 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-629 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-631 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-632 | QWEST CORPORATION | 9636 | KAYSVILLE | UT | |
| 801-633 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-634 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-635 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-636 | T-MOBILE USA, INC. | 6529 | PROVO | UT | |
| 801-639 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-640 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-641 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | SALT LAKE | UT | |
| 801-642 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | AMERCNFORK | UT | |
| 801-644 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-645 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-646 | CENTURYLINK COMMUNICATIONS, LLC | 508J | SALT LAKE | UT | |
| 801-648 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | OGDEN | UT | |
| 801-649 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SALT LAKE | UT | |
| 801-650 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-651 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-652 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-655 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | PROVO | UT | |
| 801-656 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SALT LAKE | UT | |
| 801-659 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-661 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-667 | SKYLINE TELECOM | 2283 | GOSHEN | UT | |
| 801-668 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-670 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-671 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-673 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-674 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-675 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-679 | COMCAST IP PHONE, LLC | 318J | MIDVALE | UT | |
| 801-680 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-681 | ONVOY, LLC - UT | 871E | OGDEN | UT | |
| 801-684 | FIRSTDIGITAL TELECOM, LLC - UT | 5727 | MIDVALE | UT | |
| 801-685 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-689 | QWEST CORPORATION | 9636 | OGDEN | UT | |
| 801-690 | T-MOBILE USA, INC. | 6529 | OGDEN | UT | |
| 801-693 | QWEST CORPORATION | 9636 | BOUNTIFUL | UT | |
| 801-694 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | 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.