NumberResearchRecent prefix assignments
355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2023-08-31 | 520-691 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ | 7465 | SIERRAVIST | AZ |
| 2023-08-31 | 520-692 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ | 7465 | SIERRAVIST | AZ |
| 2023-08-31 | 520-693 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ | 7465 | SIERRAVIST | AZ |
| 2023-08-31 | 571-656 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | TRIANGLE | VA |
| 2023-08-31 | 571-657 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MANASSAS | VA |
| 2023-08-31 | 585-693 | COMMIO, LLC | 939H | ARCADE | NY |
| 2023-08-31 | 603-804 | BOOST SUBSCRIBERCO L.L.C. | 490J | DOVER | NH |
| 2023-08-31 | 667-449 | COMMIO, LLC | 939H | PRESTON | MD |
| 2023-08-31 | 667-450 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ABERDEEN | MD |
| 2023-08-31 | 672-205 | Iristel Inc. | 154E | Vancouver | — |
| 2023-08-31 | 672-206 | Iristel Inc. | 154E | Vancouver | — |
| 2023-08-31 | 672-274 | Iristel Inc. | 154E | Kelowna | — |
| 2023-08-31 | 672-278 | Iristel Inc. | 154E | North Vancouver | — |
| 2023-08-31 | 672-340 | Iristel Inc. | 154E | Victoria | — |
| 2023-08-31 | 716-734 | COMMIO, LLC | 939H | FORESTVL | NY |
| 2023-08-31 | 719-603 | ONVOY, LLC - CO | 026D | FOWLER | CO |
| 2023-08-31 | 719-604 | ONVOY, LLC - CO | 026D | TWO BUTTES | CO |
| 2023-08-31 | 719-605 | ONVOY, LLC - CO | 026D | CALHAN | CO |
| 2023-08-31 | 732-973 | COMMIO, LLC | 939H | EMILLSTONE | NJ |
| 2023-08-31 | 769-316 | ONVOY, LLC - MS | 719E | MORTON | MS |
| 2023-08-31 | 848-350 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | RAHWAY | NJ |
| 2023-08-31 | 856-570 | COMMIO, LLC | 939H | CEDARVILLE | NJ |
| 2023-08-31 | 856-572 | COMMIO, LLC | 939H | FRANKLINVL | NJ |
| 2023-08-31 | 856-578 | COMMIO, LLC | 939H | PORTNORRIS | NJ |
| 2023-08-31 | 856-584 | COMMIO, LLC | 939H | WOODSTOWN | NJ |
| 2023-08-31 | 908-471 | COMMIO, LLC | 939H | HAMPTON | NJ |
| 2023-08-31 | 908-602 | COMMIO, LLC | 939H | LONGVALLEY | NJ |
| 2023-08-31 | 908-606 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | BERNARDSVL | NJ |
| 2023-08-31 | 928-508 | ONVOY, LLC - AZ | 630E | YUMA | AZ |
| 2023-08-31 | 971-459 | T-MOBILE USA, INC. | 6529 | CLACKAMAS | OR |
| 2023-08-30 | 234-374 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WOOSTER | OH |
| 2023-08-30 | 407-220 | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | ORLANDO | FL |
| 2023-08-30 | 423-889 | POWERTEL ATLANTA LICENSES, INC. | 7473 | CLEVELAND | TN |
| 2023-08-30 | 440-518 | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH |
| 2023-08-30 | 505-578 | TELEPORT COMMUNICATIONS AMERICA NM-LLC | 450C | ALBUQURQUE | NM |
| 2023-08-30 | 614-391 | AERIAL COMMUNICATIONS, INC. | 6701 | REYNOLDSBG | OH |
| 2023-08-30 | 847-300 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | WAUKEGAN | IL |
| 2023-08-30 | 854-253 | NUSO, LLC | 732J | CHARLESTON | SC |
| 2023-08-29 | 236-864 | Iristel Inc. | 154E | Duncan | — |
| 2023-08-29 | 236-894 | Iristel Inc. | 154E | Duncan | — |
| 2023-08-29 | 250-987 | Iristel Inc. | 154E | Victoria | — |
| 2023-08-29 | 252-687 | ONVOY, LLC - NC | 638E | WELCH | NC |
| 2023-08-29 | 252-709 | ONVOY, LLC - NC | 638E | KNOTTS IS | NC |
| 2023-08-29 | 252-716 | ONVOY, LLC - NC | 638E | TRENTON | NC |
| 2023-08-29 | 252-719 | ONVOY, LLC - NC | 638E | POLLOCKSVL | NC |
| 2023-08-29 | 252-730 | ONVOY, LLC - NC | 638E | GRIFTON | NC |
| 2023-08-29 | 302-484 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE | 6393 | CAMDEN | DE |
| 2023-08-29 | 346-691 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | RICHMNRNBG | TX |
| 2023-08-29 | 346-692 | EON TELECOM, INC. | 839J | HOUSTON | TX |
| 2023-08-29 | 352-783 | ONVOY SPECTRUM, LLC | 624H | DUNNELLON | FL |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.