NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

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 37
NEW CINGULAR WIRELESS PCS, LLC - IL 33
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - TX 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
308-269 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 NAPONEE NE
308-276 GREAT PLAINS COMMUNICATIONS, INC. 1577 STRATTON NE
308-278 GREAT PLAINS COMMUNICATIONS, INC. 1577 CULBERTSON NE
308-279 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 BRIDGEPORT NE
308-280 UNITED STATES CELLULAR - NE 6263 OGALLALA NE
308-281 ONVOY, LLC - NE 549E ELWOOD NE
308-282 GREAT PLAINS COMMUNICATIONS, INC. 1577 GORDON NE
308-284 QWEST CORPORATION 9631 OGALLALA NE
308-285 GREAT PLAINS COMMUNICATIONS, INC. 1577 PALISADE NE
308-286 GREAT PLAINS COMMUNICATIONS, INC. 1577 HAYES CTR NE
308-287 ARAPAHOE TEL. CO. 1516 BRULE NE
308-289 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OGALLALA NE
308-297 HARTMAN TEL. EXCH., INC. 1557 HAIGLER NE
308-307 NE
308-308 NE
308-311 MULTIPLE OCN LISTING MULT XXXXXXXXXX NE
308-320 UNITED STATES CELLULAR - NE 6263 LEXINGTON NE
308-324 QWEST CORPORATION 9631 LEXINGTON NE
308-325 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 LEXINGTON NE
308-326 CONSOLIDATED TELCO, INC. 1530 MADRID NE
308-327 GREAT PLAINS COMMUNICATIONS, INC. 1577 RUSHVILLE NE
308-334 GREAT PLAINS COMMUNICATIONS, INC. 1577 TRENTON NE
308-335 PEETZ COOP. TEL. CO. 2196 NORTHPEETZ NE
308-336 QWEST CORPORATION 9631 FARWELL NE
308-337 QWEST CORPORATION 9631 ATLANTA NE
308-338 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 KEARNEY NE
308-340 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 MCCOOK NE
308-345 QWEST CORPORATION 9631 MCCOOK NE
308-346 NEBRASKA CENTRAL TEL. CO. 1574 BURWELL NE
308-348 NEBRASKA CENTRAL TEL. CO. 1574 NO BURWELL NE
308-349 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 WILSONVL NE
308-350 UNITED STATES CELLULAR - NE 6263 MCCOOK NE
308-352 GREAT PLAINS COMMUNICATIONS, INC. 1577 GRANT NE
308-355 GLENWOOD NETWORK SERVICES, INC. 1567 LEMOYNE NE
308-357 GREAT PLAINS COMMUNICATIONS, INC. 1577 BELGRADE NE
308-358 GREAT PLAINS COMMUNICATIONS, INC. 1577 CEDAR RPDS NE
308-360 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 GORDON NE
308-362 CONSOLIDATED TELCO, INC. 1530 MAYWOOD NE
308-364 GREAT PLAINS COMMUNICATIONS, INC. 1577 INDIANOLA NE
308-366 CURTIS TEL. CO. 1536 CURTIS NE
308-367 CURTIS TEL. CO. 1536 CURTIS NE
308-368 HERSHEY COOP. TEL. CO. 1561 HERSHEY NE
308-370 N.E. COLORADO CELLULAR, INC. 6874 GRAND IS NE
308-372 NEBRASKA CENTRAL TEL. CO. 1574 ROCKVILLE NE
308-375 HARTMAN TEL. EXCH., INC. 1557 LEBANON NE
308-377 DALTON TEL. CO. 1537 DALTON NE
308-379 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 GRAND IS NE
308-380 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 GRAND IS NE
308-381 QWEST CORPORATION 9631 GRAND IS NE
308-382 QWEST CORPORATION 9631 GRAND IS NE

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.