NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

355 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 28
NEW CINGULAR WIRELESS PCS, LLC - DC 26
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
Download CSV ↓
Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
740-746 OHIO BELL TEL CO 9321 SUGARGROVE OH
740-747 FRONTIER NORTH, INC. - OH 0615 ASHLEY OH
740-749 FRONTIER NORTH, INC. - OH 0615 WATERTOWN OH
740-753 OHIO BELL TEL CO 9321 NELSONVL OH
740-754 OHIO BELL TEL CO 9321 DRESDEN OH
740-756 OHIO BELL TEL CO 9321 CARROLL OH
740-757 OHIO BELL TEL CO 9321 SOMERTON OH
740-758 WINDSTREAM WESTERN RESERVE, INC. 0666 FAIRVIEW OH
740-762 OHIO BELL TEL CO 9321 MURRAYCITY OH
740-763 WINDSTREAM OHIO, LLC 0665 HANOVER OH
740-765 FRONTIER NORTH, INC. - OH 0615 RICHMOND OH
740-767 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 GLOUSTER OH
740-768 FRONTIER NORTH, INC. - OH 0615 BERGHOLZ OH
740-769 FRONTIER NORTH, INC. - OH 0615 DLVLMTPLNT OH
740-772 CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
740-773 CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
740-774 CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
740-775 CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
740-776 FRONTIER NORTH, INC. - OH 0615 PORTSMOUTH OH
740-777 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 LANCASTER OH
740-778 FRONTIER NORTH, INC. - OH 0615 PORTSMOUTH OH
740-779 CHILLICOTHE TEL. CO. 0597 CHILLICOTH OH
740-782 WINDSTREAM WESTERN RESERVE, INC. 0666 MORRISTOWN OH
740-783 FRONTIER NORTH, INC. - OH 0615 DEXTERCITY OH
740-787 WINDSTREAM OHIO, LLC 0665 GRATIOT OH
740-788 WINDSTREAM OHIO, LLC 0665 NEWARK OH
740-795 WINDSTREAM WESTERN RESERVE, INC. 0666 POWHATANPT OH
740-796 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 ADAMSVILLE OH
740-797 FRONTIER NORTH, INC. - OH 0615 THE PLAINS OH
740-802 AERIAL COMMUNICATIONS, INC. 6701 MARION OH
740-803 AERIAL COMMUNICATIONS, INC. 6701 DELAWARE OH
740-804 AERIAL COMMUNICATIONS, INC. 6701 CHILLICOTH OH
740-808 AERIAL COMMUNICATIONS, INC. 6701 LANCASTER OH
740-811 MULTIPLE OCN LISTING MULT XXXXXXXXXX OH
740-814 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEWARK OH
740-815 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DELAWARE OH
740-816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DELAWARE OH
740-817 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 JOHNSTOWN OH
740-819 AERIAL COMMUNICATIONS, INC. 6701 ZANESVILLE OH
740-820 MINFORD TEL. CO. 0634 MINFD SKDL OH
740-821 AERIAL COMMUNICATIONS, INC. 6701 PORTSMOUTH OH
740-823 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 LOGAN OH
740-824 FRONTIER NORTH, INC. - OH 0615 WARSAW OH
740-826 FRONTIER NORTH, INC. - OH 0615 NEWCONCORD OH
740-828 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 FRAZEYSBG OH
740-829 OHIO BELL TEL CO 9321 CONESVILLE OH
740-832 TON80 COMMUNICATIONS, LLC 516J CADIZ OH
740-833 FRONTIER NORTH, INC. - OH 0615 DELAWARE OH
740-837 METROPCS, INC. 5562 LONDON OH
740-838 FRONTIER NORTH, INC. - OH 0615 SUMMERFLD OH

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.