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 |
|---|---|---|---|---|---|
| 2006-04-27 | 312-929 | T-MOBILE USA, INC. | 6529 | CHICGOZN01 | IL |
| 2006-04-27 | 504-754 | LEVEL 3 COMMUNICATIONS, LLC - LA | 3232 | NEWORLEANS | LA |
| 2006-04-27 | 512-590 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | AUSTIN | TX |
| 2006-04-27 | 512-749 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SAN MARCOS | TX |
| 2006-04-27 | 618-722 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BELLEVILLE | IL |
| 2006-04-27 | 630-470 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | NAPERVILLE | IL |
| 2006-04-27 | 678-299 | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | 8392 | ATLANTA NE | GA |
| 2006-04-27 | 702-818 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2006-04-27 | 708-634 | AT&T ENTERPRISES, LLC | 516C | OAK LAWN | IL |
| 2006-04-27 | 708-665 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | OAK PARK | IL |
| 2006-04-27 | 712-300 | ADVANCED NETWORK COMMUNICATIONS, LLC | 7458 | IDA GROVE | IA |
| 2006-04-27 | 740-727 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PORTSMOUTH | OH |
| 2006-04-27 | 740-751 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | MARION | OH |
| 2006-04-27 | 740-856 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | ATHENS | OH |
| 2006-04-27 | 770-292 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CUMMING | GA |
| 2006-04-27 | 773-668 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | CHICGOZN05 | IL |
| 2006-04-27 | 773-966 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | CHICGOZN07 | IL |
| 2006-04-27 | 817-716 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | ARLINGTON | TX |
| 2006-04-27 | 828-514 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | HICKORY | NC |
| 2006-04-26 | 206-422 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SEATTLE | WA |
| 2006-04-26 | 206-434 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SEATTLE | WA |
| 2006-04-26 | 210-797 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX |
| 2006-04-26 | 210-908 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX |
| 2006-04-26 | 267-901 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA |
| 2006-04-26 | 267-909 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA |
| 2006-04-26 | 304-205 | FIBERNET, LLC - WV | 4095 | CHRLSTNZN1 | WV |
| 2006-04-26 | 315-804 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | WATERTOWN | NY |
| 2006-04-26 | 424-644 | CHARTER IP ENABLED SERVICES, LLC | 792K | MALIBU | CA |
| 2006-04-26 | 440-707 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | OBERLIN | OH |
| 2006-04-26 | 513-488 | PAETEC ITEL, LLC | 829J | CINCINNATI | OH |
| 2006-04-26 | 515-333 | T-MOBILE USA, INC. | 6529 | DES MOINES | IA |
| 2006-04-26 | 515-664 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DES MOINES | IA |
| 2006-04-26 | 570-687 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | SCRANTON | PA |
| 2006-04-26 | 570-862 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SCRANTON | PA |
| 2006-04-26 | 757-648 | COMCAST IP PHONE, LLC | 318J | NRFOLKZON2 | VA |
| 2006-04-25 | 219-654 | FBN INDIANA, INC. - IN | 4117 | LAKE STA | IN |
| 2006-04-25 | 224-433 | T-MOBILE USA, INC. | 6529 | LIBERTYVL | IL |
| 2006-04-25 | 323-742 | T-MOBILE USA, INC. | 6529 | MONTEBELLO | CA |
| 2006-04-25 | 403-450 | Rogers Communications Canada Inc. (Cable) | 8377 | Calgary | — |
| 2006-04-25 | 410-600 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | 7228 | BERLIN | MD |
| 2006-04-25 | 613-507 | Westport Telephone Company Limited | 920D | Kingston | — |
| 2006-04-25 | 613-629 | NRTC Communications | 940D | Pembroke | — |
| 2006-04-25 | 613-653 | Westport Telephone Company Limited | 920D | Inverary | — |
| 2006-04-25 | 705-305 | TELUS Mobility | 8303 | Barrie | — |
| 2006-04-25 | 903-908 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TEXARKANA | TX |
| 2006-04-25 | 951-398 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WOODCREST | CA |
| 2006-04-24 | 262-501 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAUKESHA | WI |
| 2006-04-24 | 270-995 | POWERTEL KENTUCKY LICENSES, INC. | 365C | CAMPBELSVL | KY |
| 2006-04-24 | 337-636 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | 6505 | JEANERETTE | LA |
| 2006-04-24 | 505-999 | QWEST CORPORATION | 9636 | ALBUQURQUE | NM |
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.