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
Jul 2026
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Mar 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2023-11-06 | 346-739 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | HOUSTON | TX |
| 2023-11-06 | 404-678 | ONVOY, LLC - GA | 067D | ATLANTA | GA |
| 2023-11-06 | 404-912 | ONVOY, LLC - GA | 067D | ATLANTA | GA |
| 2023-11-06 | 479-532 | COMMIO, LLC | 939H | FORT SMITH | AR |
| 2023-11-06 | 501-561 | CALLWORKS CORPORATION | 475J | LITTLEROCK | AR |
| 2023-11-06 | 564-248 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | VANCOUVER | WA |
| 2023-11-06 | 629-298 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | LAFAYETTE | TN |
| 2023-11-06 | 667-456 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DUNDALK | MD |
| 2023-11-06 | 734-312 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | WAYNE | MI |
| 2023-11-06 | 825-578 | Iristel Inc. | 346J | Calgary | — |
| 2023-11-06 | 825-579 | Iristel Inc. | 346J | Calgary | — |
| 2023-11-06 | 901-706 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | MEMPHIS | TN |
| 2023-11-06 | 939-593 | ONVOY SPECTRUM, LLC | 624H | AIBONITO | PR |
| 2023-11-06 | 939-693 | ONVOY SPECTRUM, LLC | 624H | ARROYO | PR |
| 2023-11-06 | 939-793 | ONVOY SPECTRUM, LLC | 624H | CAROLINA | PR |
| 2023-11-06 | 939-893 | ONVOY SPECTRUM, LLC | 624H | CIDRA | PR |
| 2023-11-06 | 939-938 | ONVOY SPECTRUM, LLC | 624H | ISLA VERDE | PR |
| 2023-11-06 | 939-939 | ONVOY SPECTRUM, LLC | 624H | SALINAS | PR |
| 2023-11-03 | 223-346 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | LANCASTER | PA |
| 2023-11-03 | 227-220 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WALDORF | MD |
| 2023-11-03 | 251-203 | ONVOY, LLC - AL | 604E | BELLEFONTN | AL |
| 2023-11-03 | 252-832 | PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC | 350F | ROCKYMOUNT | NC |
| 2023-11-03 | 472-234 | PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC | 350F | FAYETTEVL | NC |
| 2023-11-03 | 645-645 | ONVOY, LLC - FL | 937C | NORTH DADE | FL |
| 2023-11-03 | 728-728 | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2023-11-03 | 765-823 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | MARTINSVL | IN |
| 2023-11-03 | 772-780 | ONVOY, LLC - FL | 937C | JENSEN BCH | FL |
| 2023-11-03 | 835-237 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN23 | PA |
| 2023-11-03 | 939-373 | ONVOY SPECTRUM, LLC | 624H | AGUADILLA | PR |
| 2023-11-03 | 939-374 | ONVOY SPECTRUM, LLC | 624H | CIALES | PR |
| 2023-11-03 | 939-434 | ONVOY SPECTRUM, LLC | 624H | TOA BAJA | PR |
| 2023-11-03 | 939-733 | ONVOY SPECTRUM, LLC | 624H | NARANJITO | PR |
| 2023-11-03 | 939-737 | ONVOY SPECTRUM, LLC | 624H | BAYAMONNOR | PR |
| 2023-11-03 | 954-754 | ONVOY, LLC - FL | 937C | POMPANOBCH | FL |
| 2023-11-03 | 980-453 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SALISBURY | NC |
| 2023-11-02 | 254-551 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KILLEEN | TX |
| 2023-11-02 | 367-237 | Iristel Inc. | 346J | Quebec | — |
| 2023-11-02 | 367-238 | Iristel Inc. | 346J | Quebec | — |
| 2023-11-02 | 409-322 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NDLDPTNCHS | TX |
| 2023-11-02 | 445-286 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA |
| 2023-11-02 | 645-200 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL |
| 2023-11-02 | 657-708 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | PLACENTIA | CA |
| 2023-11-02 | 728-444 | WIDE VOICE, LLC - FL | 704G | WPALMBEACH | FL |
| 2023-11-02 | 737-362 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MARTINDALE | TX |
| 2023-11-02 | 760-467 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VTVL HSPR | CA |
| 2023-11-02 | 917-944 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN01 | NY |
| 2023-11-02 | 951-702 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CORONA | CA |
| 2023-11-02 | 952-266 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | 5816 | TWINCITIES | MN |
| 2023-11-01 | 223-342 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | HERSHEY | PA |
| 2023-11-01 | 279-246 | T-MOBILE USA, INC. | 6529 | RIO LINDA | CA |
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.