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
740-951 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7836 PATASKALA OH
740-957 LEVEL 3 COMMUNICATIONS, LLC - OH 4863 DELAWARE OH
740-958 OH
740-959 OH
740-962 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 MCONNELSVL OH
740-963 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PATASKALA OH
740-964 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 PATASKALA OH
740-965 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 SUNBURY OH
740-966 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 JOHNSTOWN OH
740-967 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 JOHNSTOWN OH
740-968 FRONTIER NORTH, INC. - OH 0615 FLUSHING OH
740-969 FRONTIER NORTH, INC. - OH 0615 AMANDA OH
740-970 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PIKETON OH
740-971 AERIAL COMMUNICATIONS, INC. 6701 DELAWARE OH
740-972 AERIAL COMMUNICATIONS, INC. 6701 DELAWARE OH
740-973 AERIAL COMMUNICATIONS, INC. 6701 NEWARK OH
740-974 AERIAL COMMUNICATIONS, INC. 6701 LANCASTER OH
740-975 AERIAL COMMUNICATIONS, INC. 6701 NEWARK OH
740-976 OH
740-977 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PIKETON OH
740-978 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 JACKSON OH
740-979 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 JACKSON OH
740-980 ONVOY, LLC - OH 464C CENTERVL OH
740-981 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 PORTSMOUTH OH
740-982 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 CROOKSVL OH
740-983 FRONTIER NORTH, INC. - OH 0615 ASHVILLE OH
740-984 FRONTIER NORTH, INC. - OH 0615 BEVERLY OH
740-985 WINDSTREAM WESTERN RESERVE, INC. 0666 CHESTER OH
740-986 FRONTIER NORTH, INC. - OH 0615 WILLIAMSPT OH
740-987 BRIGHTSPEED OF NORTHWEST OHIO, INC. 0661 JUNCTIONCY OH
740-988 FRONTIER NORTH, INC. - OH 0615 JACKSON OH
740-989 WINDSTREAM WESTERN RESERVE, INC. 0666 LTLHOCKING OH
740-991 FRONTIER NORTH, INC. - OH 0615 PORTSMOUTH OH
740-992 FRONTIER NORTH, INC. - OH 0615 POMEROY OH
740-993 CHILLICOTHE TEL. CO. 0597 CLARKSBURG OH
740-995 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CAMBRIDGE OH
740-998 CHILLICOTHE TEL. CO. 0597 FRANKFORT OH
743-204 NC
743-211 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-217 SKYE TELECOM LLC DBA SKYETEL 622J LEXINGTON NC
743-311 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-411 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-511 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-555 MULTIPLE OCN LISTING MULT DIR ASST NC
743-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-700 NC
743-711 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-811 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-911 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
743-950 NC

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.