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 |
|---|---|---|---|---|---|
| 2008-10-10 | 413-336 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHRSTFKLN | MA |
| 2008-10-10 | 608-616 | BANDWIDTH.COM CLEC, LLC - WI | 007F | MADISON | WI |
| 2008-10-10 | 636-496 | SOUTHWESTERN BELL | 9533 | FENTON | MO |
| 2008-10-10 | 670-848 | PTI PACIFICA INC. | 387C | SAIPAN | — |
| 2008-10-10 | 670-858 | PTI PACIFICA INC. | 387C | SAIPAN | — |
| 2008-10-10 | 671-848 | PTI PACIFICA INC. | 387C | AGANA | GU |
| 2008-10-10 | 671-858 | PTI PACIFICA INC. | 387C | AGANA | GU |
| 2008-10-10 | 717-613 | COMCAST IP PHONE, LLC | 318J | KIRKWOOD | PA |
| 2008-10-10 | 717-929 | COMCAST IP PHONE, LLC | 318J | INTERCOURS | PA |
| 2008-10-10 | 762-233 | BANDWIDTH.COM CLEC, LLC - GA | 983E | AUGUSTA | GA |
| 2008-10-10 | 769-237 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | JACKSON | MS |
| 2008-10-09 | 313-355 | BANDWIDTH.COM CLEC, LLC - MI | 991E | DETROITZN1 | MI |
| 2008-10-09 | 313-482 | MICHIGAN BELL TEL CO | 9323 | DETROITZN1 | MI |
| 2008-10-09 | 336-839 | ONVOY, LLC - NC | 638E | JULIAN | NC |
| 2008-10-09 | 407-385 | BANDWIDTH.COM CLEC, LLC - FL | 982E | ORLANDO | FL |
| 2008-10-09 | 438-884 | TELUS Mobility | 8303 | Montreal | — |
| 2008-10-09 | 438-889 | TELUS Mobility | 8303 | Montreal | — |
| 2008-10-09 | 587-727 | Rogers Communications Canada Inc. (Wireless) | 8821 | Strathmore | — |
| 2008-10-09 | 647-884 | TELUS Mobility | 8303 | Toronto | — |
| 2008-10-09 | 717-952 | COMCAST IP PHONE, LLC | 318J | MILLERSBG | PA |
| 2008-10-09 | 719-258 | QWEST CORPORATION | 9636 | COLORDOSPG | CO |
| 2008-10-09 | 720-242 | QWEST CORPORATION | 9636 | DENVER | CO |
| 2008-10-09 | 740-615 | LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | CHESHIRCTR | OH |
| 2008-10-09 | 774-260 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | MIDDLEBORO | MA |
| 2008-10-09 | 786-372 | BANDWIDTH.COM CLEC, LLC - FL | 982E | MIAMI | FL |
| 2008-10-09 | 816-607 | SOUTHWESTERN BELL | 9533 | LEESSUMMIT | MO |
| 2008-10-09 | 819-209 | TELUS Mobility | 8303 | Ottawa-Hull | — |
| 2008-10-09 | 904-345 | BANDWIDTH.COM CLEC, LLC - FL | 982E | JACKSONVL | FL |
| 2008-10-09 | 956-320 | BANDWIDTH.COM CLEC, LLC - TX | 004F | HARLINGEN | TX |
| 2008-10-09 | 980-475 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | CHARLOTTE | NC |
| 2008-10-08 | 202-534 | METROPCS, INC. | 5562 | WSHNGTNZN1 | DC |
| 2008-10-08 | 202-590 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC |
| 2008-10-08 | 203-995 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | 7230 | BRIDGEPORT | CT |
| 2008-10-08 | 207-330 | BELL ATLANTIC MOBILE, INC | 6386 | LEWISTON | ME |
| 2008-10-08 | 240-324 | YMAX COMMUNICATIONS CORP. - MD | 281E | ASHTON238 | MD |
| 2008-10-08 | 248-906 | METROPCS, INC. | 5562 | TROY | MI |
| 2008-10-08 | 312-725 | BANDWIDTH.COM CLEC, LLC - IL | 984E | CHICGOZN01 | IL |
| 2008-10-08 | 314-285 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST LOUIS | MO |
| 2008-10-08 | 314-295 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST LOUIS | MO |
| 2008-10-08 | 347-560 | PAETEC ITEL, LLC | 829J | NWYRCYZN07 | NY |
| 2008-10-08 | 440-633 | OHIO BELL TEL CO | 9321 | CHAGRINFLS | OH |
| 2008-10-08 | 443-438 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | BALTIMORE | MD |
| 2008-10-08 | 443-684 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | PRINCEFRCK | MD |
| 2008-10-08 | 513-823 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2008-10-08 | 541-508 | ONVOY, LLC - OR | 750E | BEND | OR |
| 2008-10-08 | 608-521 | UNITED STATES CELLULAR - WI | 6274 | READSTOWN | WI |
| 2008-10-08 | 608-545 | UNITED STATES CELLULAR - WI | 6274 | YUBA | WI |
| 2008-10-08 | 608-639 | UNITED STATES CELLULAR - WI | 6274 | LA FARGE | WI |
| 2008-10-08 | 608-804 | UNITED STATES CELLULAR - WI | 6274 | GENOA | WI |
| 2008-10-08 | 615-788 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
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.