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 |
|---|---|---|---|---|---|
| 2009-03-20 | 403-557 | Shaw Telecom Inc. | 497E | Fort Macleod | — |
| 2009-03-20 | 403-639 | Shaw Telecom Inc. | 497E | Granum | — |
| 2009-03-20 | 403-659 | Shaw Telecom Inc. | 497E | Cardston | — |
| 2009-03-20 | 403-745 | Shaw Telecom Inc. | 497E | Picture Butte | — |
| 2009-03-20 | 403-759 | Shaw Telecom Inc. | 497E | Magrath | — |
| 2009-03-20 | 406-898 | CHARTER IP ENABLED SERVICES, LLC | 792K | BOZEMAN | MT |
| 2009-03-20 | 418-914 | Videotron Ltd. | 8306 | Quebec | — |
| 2009-03-20 | 418-915 | Videotron Ltd. | 8306 | Loretteville | — |
| 2009-03-20 | 434-264 | CORETEL VIRGINIA, LLC - VA | 5832 | BLACKSTONE | VA |
| 2009-03-20 | 443-467 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2009-03-20 | 443-469 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2009-03-20 | 443-500 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2009-03-20 | 443-525 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2009-03-20 | 443-531 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2009-03-20 | 540-218 | CORETEL VIRGINIA, LLC - VA | 5832 | SHENANDOAH | VA |
| 2009-03-20 | 540-395 | CORETEL VIRGINIA, LLC - VA | 5832 | ORANGE | VA |
| 2009-03-20 | 570-201 | CORE COMMUNICATIONS, INC. - PA | 3806 | RUSH | PA |
| 2009-03-20 | 570-303 | CORE COMMUNICATIONS, INC. - PA | 3806 | THOMPSON | PA |
| 2009-03-20 | 570-361 | CORE COMMUNICATIONS, INC. - PA | 3806 | SUSQUHANNA | PA |
| 2009-03-20 | 570-381 | CORE COMMUNICATIONS, INC. - PA | 3806 | SO CANAAN | PA |
| 2009-03-20 | 570-530 | CORE COMMUNICATIONS, INC. - PA | 3806 | ROME | PA |
| 2009-03-20 | 570-548 | CORE COMMUNICATIONS, INC. - PA | 3806 | ST JOSEPH | PA |
| 2009-03-20 | 570-564 | CORE COMMUNICATIONS, INC. - PA | 3806 | TIOGA | PA |
| 2009-03-20 | 570-566 | CORE COMMUNICATIONS, INC. - PA | 3806 | PLEASANTMT | PA |
| 2009-03-20 | 570-571 | CORE COMMUNICATIONS, INC. - PA | 3806 | WAYMART | PA |
| 2009-03-20 | 570-667 | CORE COMMUNICATIONS, INC. - PA | 3806 | MUHLENBURG | PA |
| 2009-03-20 | 570-792 | CORE COMMUNICATIONS, INC. - PA | 3806 | OVAL | PA |
| 2009-03-20 | 570-948 | CORE COMMUNICATIONS, INC. - PA | 3806 | WELLSBORO | PA |
| 2009-03-20 | 571-402 | CORETEL VIRGINIA, LLC - VA | 5832 | DALE CITY | VA |
| 2009-03-20 | 720-421 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2009-03-20 | 724-280 | CORE COMMUNICATIONS, INC. - PA | 3806 | NEW FREEPT | PA |
| 2009-03-20 | 724-563 | CORE COMMUNICATIONS, INC. - PA | 3806 | STAHLSTOWN | PA |
| 2009-03-20 | 724-641 | CORE COMMUNICATIONS, INC. - PA | 3806 | SPRAGGS | PA |
| 2009-03-20 | 724-706 | CORE COMMUNICATIONS, INC. - PA | 3806 | ROGERSVL | PA |
| 2009-03-20 | 724-721 | CORE COMMUNICATIONS, INC. - PA | 3806 | YUKON | PA |
| 2009-03-20 | 724-874 | WINDSTREAM PENNSYLVANIA, INC. | 0176 | WESTFORD | PA |
| 2009-03-20 | 804-242 | CORETEL VIRGINIA, LLC - VA | 5832 | AMELIACTHS | VA |
| 2009-03-20 | 819-944 | Videotron Ltd. | 328F | Trois-Rivieres | — |
| 2009-03-20 | 904-442 | LEVEL 3 TELECOM OF FLORIDA, LP - FL | 7635 | JACKSONVL | FL |
| 2009-03-19 | 252-406 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | ROCKYMOUNT | NC |
| 2009-03-19 | 304-800 | CITYNET WEST VIRGINIA, LLC - WV | 545B | BLUEFIELD | WV |
| 2009-03-19 | 360-742 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OLYMPIA | WA |
| 2009-03-19 | 403-474 | Shaw Telecom Inc. | 497E | Calgary | — |
| 2009-03-19 | 418-758 | TELUS Quebec | 2243 | Alma | — |
| 2009-03-19 | 570-464 | CORE COMMUNICATIONS, INC. - PA | 3806 | TURBOTVL | PA |
| 2009-03-19 | 570-485 | CORE COMMUNICATIONS, INC. - PA | 3806 | TOWANDA | PA |
| 2009-03-19 | 570-533 | CORE COMMUNICATIONS, INC. - PA | 3806 | MONTROSE | PA |
| 2009-03-19 | 570-681 | CORE COMMUNICATIONS, INC. - PA | 3806 | UNION DALE | PA |
| 2009-03-19 | 570-684 | CORE COMMUNICATIONS, INC. - PA | 3806 | WARREN CTR | PA |
| 2009-03-19 | 570-720 | CORE COMMUNICATIONS, INC. - PA | 3806 | ULSTER | 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.