NumberResearchRecent prefix assignments
366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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 |
|---|---|---|---|---|---|
| 2006-04-24 | 830-834 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROCKSPRIGS | TX |
| 2006-04-24 | 862-264 | CSC VOICE, LLC | 612K | PATERSON | NJ |
| 2006-04-22 | 920-857 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | GREEN BAY | WI |
| 2006-04-21 | 319-585 | MCC TELEPHONY LLC | 593K | HAZLETON | IA |
| 2006-04-21 | 319-652 | MCC TELEPHONY LLC | 593K | TRAER | IA |
| 2006-04-21 | 319-677 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | KEOSAUQUA | IA |
| 2006-04-21 | 408-649 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SNJS NORTH | CA |
| 2006-04-21 | 417-991 | FIDELITY CABLEVISION, LLC | 3275 | LEBANON | MO |
| 2006-04-21 | 450-765 | TELUS Quebec | 2243 | Terrebonne | — |
| 2006-04-21 | 450-769 | TELUS Quebec | 2243 | Mascouche | — |
| 2006-04-21 | 516-474 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN02 | NY |
| 2006-04-21 | 519-813 | TELUS Integrated Communications | 2782 | Corunna | — |
| 2006-04-21 | 519-908 | TELUS Integrated Communications | 2782 | Bright's Grove | — |
| 2006-04-21 | 619-581 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2006-04-21 | 619-634 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2006-04-21 | 619-674 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2006-04-21 | 619-694 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2006-04-21 | 702-469 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | 6458 | LAS VEGAS | NV |
| 2006-04-21 | 778-782 | GT Group Telecom Services Corp. | 8506 | Vancouver | — |
| 2006-04-21 | 778-783 | GT Group Telecom Services Corp. | 8506 | Vancouver | — |
| 2006-04-21 | 815-571 | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | SHANNON | IL |
| 2006-04-21 | 815-906 | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | MT CARROLL | IL |
| 2006-04-21 | 909-532 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | UPLAND | CA |
| 2006-04-21 | 951-240 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | TEMECULA | CA |
| 2006-04-20 | 252-269 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | MOREHEADCY | NC |
| 2006-04-20 | 252-503 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | SWNSBRWCAR | NC |
| 2006-04-20 | 502-610 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | FINCHVILLE | KY |
| 2006-04-20 | 612-424 | LEVEL 3 COMMUNICATIONS, LLC - MN | 5256 | TWINCITIES | MN |
| 2006-04-20 | 615-967 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SMYRNA | TN |
| 2006-04-20 | 706-601 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | 6540 | THOMASTON | GA |
| 2006-04-20 | 787-905 | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-04-20 | 812-557 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NEW ALBANY | IN |
| 2006-04-20 | 845-549 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NEWBURGH | NY |
| 2006-04-20 | 901-651 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COLLIERVL | TN |
| 2006-04-20 | 989-301 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | HEMLOCK | MI |
| 2006-04-19 | 224-567 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | DESPLAINES | IL |
| 2006-04-19 | 337-552 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BROUSSARD | LA |
| 2006-04-19 | 408-336 | PACIFIC BELL | 9740 | SUNNYVALE | CA |
| 2006-04-19 | 513-393 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MIDDLETOWN | OH |
| 2006-04-19 | 870-602 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PRESCOTT | AR |
| 2006-04-19 | 985-720 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MONTEGUT | LA |
| 2006-04-18 | 254-563 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TEMPLE | TX |
| 2006-04-18 | 254-813 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KILLEEN | TX |
| 2006-04-18 | 270-440 | TWC IP ENABLED SERVICES, LLC | 793K | HANSON | KY |
| 2006-04-18 | 270-802 | TWC IP ENABLED SERVICES, LLC | 793K | MORTONSGAP | KY |
| 2006-04-18 | 270-909 | TWC IP ENABLED SERVICES, LLC | 793K | CALVERT CY | KY |
| 2006-04-18 | 308-566 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | CHAPPELL | NE |
| 2006-04-18 | 330-978 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | OH |
| 2006-04-18 | 361-425 | STPCS JOINT VENTURE, LLC | 4290 | C CHRISTI | TX |
| 2006-04-18 | 405-545 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLONY | OK |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.