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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
740-843 FRONTIER NORTH, INC. - OH 0615 PORTLAND OH
740-844 OHIO BELL TEL CO 9321 NORWICH OH
740-845 OHIO BELL TEL CO 9321 LONDON OH
740-849 OHIO BELL TEL CO 9321 FULTONHAM OH
740-852 OHIO BELL TEL CO 9321 LONDON OH
740-857 FRONTIER NORTH, INC. - OH 0615 RESACA OH
740-858 FRONTIER NORTH, INC. - OH 0615 PORTSMOUTH OH
740-859 FRONTIER NORTH, INC. - OH 0615 TILTONSVL OH
740-862 FRONTIER NORTH, INC. - OH 0615 BALTIMORE OH
740-865 OHIO BELL TEL CO 9321 NEWMTMORAS OH
740-867 FRONTIER NORTH, INC. - OH 0615 CHESAPEAKE OH
740-869 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 MTSTERLING OH
740-872 OHIO BELL TEL CO 9321 NORWICH OH
740-874 OHIO BELL TEL CO 9321 SEDALIA OH
740-881 FRONTIER NORTH, INC. - OH 0615 RATHBONE OH
740-884 CHILLICOTHE TEL. CO. 0597 RICHMONDL OH
740-886 FRONTIER NORTH, INC. - OH 0615 CHESAPEAKE OH
740-887 CHILLICOTHE TEL. CO. 0597 LONDONDRRY OH
740-888 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 CHESHIRCTR OH
740-892 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 UTICAHOMER OH
740-893 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 CROTON OH
740-894 FRONTIER NORTH, INC. - OH 0615 CHESAPEAKE OH
740-895 ONVOY, LLC - OH 464C WSNGTNCTHS OH
740-896 FRONTIER NORTH, INC. - OH 0615 LOWELL OH
740-897 FRONTIER NORTH, INC. - OH 0615 PIKETON OH
740-902 AMERICAN MESSAGING SERVICES, LLC 9748 COSHOCTON OH
740-906 AMERICAN MESSAGING SERVICES, LLC 9748 NEWLXINGTN OH
740-908 BANDWIDTH.COM CLEC, LLC - OH 001F LONDON OH
740-911 MULTIPLE OCN LISTING MULT XXXXXXXXXX OH
740-912 TWC IP ENABLED SERVICES, LLC 793K WAVERLY OH
740-922 OHIO BELL TEL CO 9321 UHRICHSVL OH
740-924 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 ALEXANDRIA OH
740-925 OHIO BELL TEL CO 9321 GALLIPOLIS OH
740-926 OHIO BELL TEL CO 9321 BEALLSVL OH
740-927 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 PATASKALA OH
740-928 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 HEBRON OH
740-929 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 HEBRON OH
740-934 OHIO BELL TEL CO 9321 GRAYSVILLE OH
740-935 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PORTSMOUTH OH
740-937 WINDSTREAM WESTERN RESERVE, INC. 0666 HOPEDALE OH
740-941 FRONTIER NORTH, INC. - OH 0615 WAVERLY OH
740-942 FRONTIER NORTH, INC. - OH 0615 CADIZ OH
740-943 FRONTIER NORTH, INC. - OH 0615 RICHWOOD OH
740-944 WINDSTREAM WESTERN RESERVE, INC. 0666 BLOOMINGDL OH
740-945 FRONTIER NORTH, INC. - OH 0615 SCIO OH
740-946 FRONTIER NORTH, INC. - OH 0615 JEWETT OH
740-947 FRONTIER NORTH, INC. - OH 0615 WAVERLY OH
740-948 OHIO BELL TEL CO 9321 MILLEDGEVL OH
740-949 FRONTIER NORTH, INC. - OH 0615 POMEROY OH
740-950 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.