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
765-587 PAETEC ITEL, LLC 829J MUNCIE IN
765-589 INDIANA BELL TEL CO INC 9325 BUCK CREEK IN
765-590 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 MARSHALL IN
765-591 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 NEW CASTLE IN
765-593 INDIANA BELL TEL CO INC 9325 NEW CASTLE IN
765-597 INDIANA BELL TEL CO INC 9325 MARSHALL IN
765-599 INDIANA BELL TEL CO INC 9325 NEW CASTLE IN
765-601 ONVOY, LLC - IN 097D FRANKFORT IN
765-602 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANDERSON IN
765-605 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRANKFORT IN
765-607 ONVOY, LLC - IN 097D LAFAYETTE IN
765-608 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-609 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-610 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANDERSON IN
765-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX IN
765-614 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KOKOMO IN
765-617 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANDERSON IN
765-618 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 MARION IN
765-619 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-620 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 ANDERSON IN
765-621 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANDERSON IN
765-622 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-623 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 ANDERSON IN
765-626 PAETEC ITEL, LLC 829J KOKOMO IN
765-627 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 GREENTOWN IN
765-628 INDIANA BELL TEL CO INC 9325 GREENTOWN IN
765-629 FRONTIER NORTH, INC.. - IN 0772 MILROY IN
765-630 COMCAST IP PHONE, LLC 318J GREENCASTL IN
765-631 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANDERSON IN
765-635 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 ANDERSON IN
765-639 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 ANDERSON IN
765-640 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-641 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-642 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-643 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-644 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-645 FRONTIER NORTH, INC.. - IN 0772 MAYS IN
765-646 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-647 FRONTIER NORTH, INC.. - IN 0772 BROOKVILLE IN
765-648 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-649 INDIANA BELL TEL CO INC 9325 ANDERSON IN
765-651 INDIANA BELL TEL CO INC 9325 MARION IN
765-652 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 FRANKFORT IN
765-653 FRONTIER NORTH, INC.. - IN 0772 GREENCASTL IN
765-654 INDIANA BELL TEL CO INC 9325 FRANKFORT IN
765-655 FRONTIER NORTH, INC.. - IN 0772 GREENCASTL IN
765-656 INDIANA BELL TEL CO INC 9325 FRANKFORT IN
765-657 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GREENCASTL IN
765-658 FRONTIER NORTH, INC.. - IN 0772 GREENCASTL IN
765-659 INDIANA BELL TEL CO INC 9325 FRANKFORT 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.