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
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 |
|---|---|---|---|---|---|
| 2023-10-26 | 769-318 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | VICKSBURG | MS |
| 2023-10-26 | 782-204 | Iristel Inc. | 154E | Summerside | — |
| 2023-10-26 | 820-221 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SANTAMARIA | CA |
| 2023-10-26 | 863-351 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CLEWISTON | FL |
| 2023-10-26 | 878-291 | ADVANCED TELEPHONE SYS INC DBA HTC COMMUNICATIONS | 2522 | TAYLORSTN | PA |
| 2023-10-26 | 917-384 | ONVOY SPECTRUM, LLC | 624H | NWYRCYZN06 | NY |
| 2023-10-26 | 943-224 | CALLWORKS CORPORATION | 475J | ATLANTA | GA |
| 2023-10-25 | 227-219 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ASHTON236 | MD |
| 2023-10-25 | 239-460 | CALLWORKS CORPORATION | 475J | FORT MYERS | FL |
| 2023-10-25 | 350-350 | ONVOY SPECTRUM, LLC | 624H | STOCKTON | CA |
| 2023-10-25 | 386-229 | CALLWORKS CORPORATION | 475J | DAYTONABCH | FL |
| 2023-10-25 | 448-234 | CALLWORKS CORPORATION | 475J | PENSACOLA | FL |
| 2023-10-25 | 478-398 | CALLWORKS CORPORATION | 475J | MACON | GA |
| 2023-10-25 | 585-740 | INTEGRATED PATH COMMUNICATIONS, LLC - NY | 271G | ATTICA | NY |
| 2023-10-25 | 612-525 | COMCAST IP PHONE, LLC | 318J | TWINCITIES | MN |
| 2023-10-25 | 641-303 | MCC TELEPHONY OF IOWA, LLC - IA | 751F | STATE CTR | IA |
| 2023-10-25 | 645-777 | WIDE VOICE, LLC - FL | 704G | HOMESTEAD | FL |
| 2023-10-25 | 689-320 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SANFORD | FL |
| 2023-10-25 | 728-777 | WIDE VOICE, LLC - FL | 704G | BOCA RATON | FL |
| 2023-10-25 | 760-210 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MAMMOTHLKS | CA |
| 2023-10-25 | 762-376 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | 6540 | DAHLONEGA | GA |
| 2023-10-25 | 839-254 | TWC IP ENABLED SERVICES, LLC | 793K | NORWAY | SC |
| 2023-10-25 | 858-978 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7147 | LA JOLLA | CA |
| 2023-10-25 | 912-761 | CALLWORKS CORPORATION | 475J | SAVANNAH | GA |
| 2023-10-25 | 918-572 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ALBION | OK |
| 2023-10-25 | 940-363 | T-MOBILE USA, INC. | 6529 | LAKEDALLAS | TX |
| 2023-10-25 | 945-308 | T-MOBILE USA, INC. | 6529 | FRISCO | TX |
| 2023-10-24 | 215-507 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISVL | PA |
| 2023-10-24 | 423-906 | CALLWORKS CORPORATION | 475J | JOHNSON CY | TN |
| 2023-10-24 | 437-738 | Iristel Inc. | 346J | Toronto | — |
| 2023-10-24 | 437-739 | Iristel Inc. | 346J | Toronto | — |
| 2023-10-24 | 437-740 | Iristel Inc. | 346J | Toronto | — |
| 2023-10-24 | 458-314 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | OAKLAND | OR |
| 2023-10-24 | 548-324 | Gosfield North Communication Co-operative Ltd. | 117H | Leamington | — |
| 2023-10-24 | 667-455 | VONAGE AMERICA LLC | 197D | EDGEWOOD | MD |
| 2023-10-24 | 771-234 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 771-235 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 771-236 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 771-237 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 771-238 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 771-239 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 771-240 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC |
| 2023-10-24 | 775-520 | ONVOY SPECTRUM, LLC | 624H | CRESCNTVLY | NV |
| 2023-10-24 | 775-590 | ONVOY SPECTRUM, LLC | 624H | EUREKA | NV |
| 2023-10-24 | 825-589 | Iristel Inc. | 154E | Peace River | — |
| 2023-10-24 | 825-590 | Iristel Inc. | 154E | Peace River | — |
| 2023-10-24 | 825-591 | Iristel Inc. | 154E | Peace River | — |
| 2023-10-24 | 825-592 | Iristel Inc. | 154E | Peace River | — |
| 2023-10-24 | 825-593 | Iristel Inc. | 154E | Peace River | — |
| 2023-10-24 | 835-235 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN10 | PA |
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.