NumberResearchRecent prefix assignments
371 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
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Mar 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-05-22 | 641-368 | ONVOY SPECTRUM, LLC | 624H | OTLEY | IA |
| 2024-05-22 | 657-751 | T-MOBILE USA, INC. | 6529 | FULLERTON | CA |
| 2024-05-22 | 840-260 | T-MOBILE USA, INC. | 6529 | POMONA | CA |
| 2024-05-22 | 943-262 | POWERTEL ATLANTA LICENSES, INC. | 7473 | ATLANTA NW | GA |
| 2024-05-22 | 943-263 | POWERTEL ATLANTA LICENSES, INC. | 7473 | ATLANTA SO | GA |
| 2024-05-22 | 947-278 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | PONTIAC | MI |
| 2024-05-21 | 213-826 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MONTEBELLO | CA |
| 2024-05-21 | 305-862 | LIVEWIRE TELECOM, LLC | 693K | KEYS | FL |
| 2024-05-21 | 329-226 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KINGSTON | NY |
| 2024-05-21 | 367-513 | Iristel Inc. | 154E | Matapedia | — |
| 2024-05-21 | 367-514 | Iristel Inc. | 154E | New Richmond | — |
| 2024-05-21 | 367-519 | Iristel Inc. | 154E | Mont-Louis | — |
| 2024-05-21 | 367-796 | Iristel Inc. | 154E | Natashquan | — |
| 2024-05-21 | 367-798 | Iristel Inc. | 154E | Mont-Joli | — |
| 2024-05-21 | 367-807 | Iristel Inc. | 154E | Montmagny | — |
| 2024-05-21 | 367-878 | Iristel Inc. | 154E | Perce | — |
| 2024-05-21 | 607-501 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ONEONTA | NY |
| 2024-05-21 | 657-748 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2024-05-21 | 657-749 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FULLERTON | CA |
| 2024-05-21 | 657-750 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2024-05-21 | 939-396 | METROPCS, INC. | 5562 | CAROLINA | PR |
| 2024-05-20 | 227-239 | CALLWORKS CORPORATION | 475J | HAGERSTOWN | MD |
| 2024-05-20 | 227-240 | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNGTNZN11 | MD |
| 2024-05-20 | 279-274 | ONVOY, LLC - CA | 649C | SCRM MAIN | CA |
| 2024-05-20 | 475-370 | BOOST SUBSCRIBERCO L.L.C. | 490J | DANBURY | CT |
| 2024-05-20 | 475-371 | BOOST SUBSCRIBERCO L.L.C. | 490J | NEW CANAAN | CT |
| 2024-05-20 | 531-367 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | RANDOLPH | NE |
| 2024-05-20 | 641-280 | ONVOY SPECTRUM, LLC | 624H | LUCAS | IA |
| 2024-05-20 | 641-296 | ONVOY SPECTRUM, LLC | 624H | NEWVIRGINI | IA |
| 2024-05-20 | 641-301 | ONVOY SPECTRUM, LLC | 624H | MARTENSDL | IA |
| 2024-05-20 | 641-402 | ONVOY SPECTRUM, LLC | 624H | MARTINSBG | IA |
| 2024-05-20 | 641-690 | ONVOY SPECTRUM, LLC | 624H | MACKSBURG | IA |
| 2024-05-20 | 641-760 | ONVOY SPECTRUM, LLC | 624H | MINGO | IA |
| 2024-05-20 | 667-487 | CALLWORKS CORPORATION | 475J | BALTIMORE | MD |
| 2024-05-20 | 667-488 | CALLWORKS CORPORATION | 475J | SALISBURY | MD |
| 2024-05-20 | 762-397 | CHARTER IP ENABLED SERVICES, LLC | 792K | RAYLE | GA |
| 2024-05-20 | 947-287 | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | PONTIAC | MI |
| 2024-05-17 | 234-426 | ONVOY, LLC - OH | 464C | MEDINA | OH |
| 2024-05-17 | 329-225 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MONROE | NY |
| 2024-05-17 | 667-485 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | CAMBRIDGE | MD |
| 2024-05-17 | 667-486 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | PRINCEFRCK | MD |
| 2024-05-17 | 774-562 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | SEEKONK | MA |
| 2024-05-17 | 857-351 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | ROXBURY | MA |
| 2024-05-17 | 863-362 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LAKELAND | FL |
| 2024-05-17 | 938-255 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CULLMAN | AL |
| 2024-05-16 | 223-363 | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 6846 | ELIZABTHVL | PA |
| 2024-05-16 | 352-851 | WOW! INTERNET, CABLE AND PHONE | 961J | WEEKICHSPG | FL |
| 2024-05-16 | 367-797 | Iristel Inc. | 154E | Havre-Saint-Pierre | — |
| 2024-05-16 | 432-330 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SEMINOLE | TX |
| 2024-05-16 | 579-984 | Iristel Inc. | 154E | L'Epiphanie-l'Assomption | — |
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.