NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
8X8, INC. 38
ONVOY, LLC - CA 31
NEW CINGULAR WIRELESS PCS, LLC - IL 31
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - NJ 18
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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
765-441 INDIANA BELL TEL CO INC 9325 OTTERBEIN IN
765-442 PAETEC ITEL, LLC 829J ANDERSON IN
765-443 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LYNN IN
765-446 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-447 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-448 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-449 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-450 LEVEL 3 TELECOM OF INDIANA, LP - IN 7060 KOKOMO IN
765-451 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-452 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-453 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-454 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-455 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-456 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-457 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-458 FRONTIER NORTH, INC.. - IN 0772 LIBERTY IN
765-459 INDIANA BELL TEL CO INC 9325 KOKOMO IN
765-460 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 PERU IN
765-461 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KOKOMO IN
765-462 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 RICHMOND IN
765-463 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-464 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-468 FRONTIER NORTH, INC.. - IN 0772 FARMLAND IN
765-469 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PERU IN
765-470 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PERU IN
765-471 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-472 INDIANA BELL TEL CO INC 9325 PERU IN
765-473 INDIANA BELL TEL CO INC 9325 PERU IN
765-474 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-475 INDIANA BELL TEL CO INC 9325 PERU IN
765-476 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-477 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-478 FRONTIER NORTH, INC.. - IN 0772 CAMBDG CY IN
765-479 METROPCS, INC. 5562 LAFAYETTE IN
765-480 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 KOKOMO IN
765-482 INDIANA BELL TEL CO INC 9325 LEBANON IN
765-483 INDIANA BELL TEL CO INC 9325 LEBANON IN
765-484 LEVEL 3 TELECOM OF INDIANA, LP - IN 7060 LEBANON IN
765-485 INDIANA BELL TEL CO INC 9325 LEBANON IN
765-487 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 CAYUGA IN
765-489 FRONTIER NORTH, INC.. - IN 0772 HAGERSTOWN IN
765-490 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 LAFAYETTE IN
765-491 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAFAYETTE IN
765-492 INDIANA BELL TEL CO INC 9325 CAYUGA IN
765-493 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-494 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-495 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-496 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-497 FRONTIER NORTH, INC.. - IN 0772 LAFAYETTE IN
765-498 BLOOMINGDALE HOME TEL. CO., INC. 0742 BLOOMINGDL IN

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.