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 |
|---|---|---|---|---|---|
| 2001-12-10 | 219-810 | FBN INDIANA, INC. - IN | 4117 | GARY | IN |
| 2001-12-10 | 262-421 | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | CEDARBURG | WI |
| 2001-12-10 | 574-975 | PAETEC ITEL, LLC | 829J | GOSHEN | IN |
| 2001-12-10 | 614-390 | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| 2001-12-08 | 563-221 | UNITED STATES CELLULAR - IA | 6266 | DE WITT | IA |
| 2001-12-07 | 570-260 | BANDWIDTH.COM CLEC, LLC - PA | 002F | ST CLAIR | PA |
| 2001-12-07 | 919-559 | SUNCOM DBA T-MOBILE USA | 8645 | RALEIGH | NC |
| 2001-12-06 | 416-997 | Bell Mobility | 6574 | Toronto | — |
| 2001-12-06 | 419-616 | ONVOY, LLC - OH | 464C | HURON | OH |
| 2001-12-06 | 617-477 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JAMAICA PL | MA |
| 2001-12-06 | 618-383 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CARMI | IL |
| 2001-12-06 | 618-516 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FAIRFIELD | IL |
| 2001-12-06 | 618-690 | ILLINOIS BELL TEL CO | 9329 | GREENVILLE | IL |
| 2001-12-06 | 618-879 | NUSO, LLC | 551G | OLNEY | IL |
| 2001-12-06 | 662-613 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | 6396 | TUNICA | MS |
| 2001-12-06 | 734-716 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAYNE | MI |
| 2001-12-06 | 734-719 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | CHELSEA | MI |
| 2001-12-06 | 765-819 | LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | BOSWELL | IN |
| 2001-12-06 | 815-707 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | GILMAN | IL |
| 2001-12-06 | 815-797 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | SOMONAUK | IL |
| 2001-12-06 | 815-907 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | MANTENO | IL |
| 2001-12-06 | 978-860 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEOMINSTER | MA |
| 2001-12-05 | 254-495 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WACO | TX |
| 2001-12-05 | 435-538 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | BRIGHAM CY | UT |
| 2001-12-05 | 480-226 | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2001-12-05 | 501-447 | WINDSTREAM COMMUNICATIONS, INC. - AR | 7656 | LITTLEROCK | AR |
| 2001-12-05 | 509-362 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SPOKANE | WA |
| 2001-12-05 | 517-717 | TELNET WORLDWIDE, INC. | 817J | WILLIAMSTN | MI |
| 2001-12-05 | 517-766 | TELNET WORLDWIDE, INC. | 817J | ONONDAGA | MI |
| 2001-12-05 | 615-965 | PAETEC ITEL, LLC | 829J | LEBANON | TN |
| 2001-12-05 | 706-616 | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | 8392 | LAGRANGE | GA |
| 2001-12-05 | 715-226 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | JIM FALLS | WI |
| 2001-12-05 | 715-312 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | HOLCOMBE | WI |
| 2001-12-05 | 715-313 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | BOYD | WI |
| 2001-12-05 | 715-314 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | JUMP RIVER | WI |
| 2001-12-05 | 715-416 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | SPOONER | WI |
| 2001-12-05 | 715-417 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | OSCEOLA | WI |
| 2001-12-05 | 715-418 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | BARRON | WI |
| 2001-12-05 | 715-419 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | CUMBERLAND | WI |
| 2001-12-05 | 715-553 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | CENTURIA | WI |
| 2001-12-05 | 715-554 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | BALSAMLAKE | WI |
| 2001-12-05 | 715-557 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | STCROIXFLS | WI |
| 2001-12-05 | 715-558 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | HAYWARD | WI |
| 2001-12-05 | 715-641 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | TURTLELAKE | WI |
| 2001-12-05 | 715-642 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | CHETEK | WI |
| 2001-12-05 | 715-645 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | SHELL LAKE | WI |
| 2001-12-05 | 715-773 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | THORP | WI |
| 2001-12-05 | 720-309 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2001-12-05 | 731-951 | PAETEC ITEL, LLC | 829J | JACKSON | TN |
| 2001-12-05 | 806-336 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | AMARILLO | TX |
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.