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
308-383 UNITED STATES CELLULAR - NE 6263 GRAND IS NE
308-384 QWEST CORPORATION 9631 GRAND IS NE
308-385 QWEST CORPORATION 9631 GRAND IS NE
308-386 GREAT PLAINS COMMUNICATIONS, INC. 1577 SUTHERLAND NE
308-387 CONSOLIDATED TELCO, INC. 1530 WALLACE NE
308-388 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 PLEASANTON NE
308-389 QWEST CORPORATION 9631 GRAND IS NE
308-390 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 GRAND IS NE
308-391 UNITED STATES CELLULAR - NE 6263 GRAND IS NE
308-394 WAUNETA TEL. CO. 1597 WAUNETA NE
308-395 QWEST CORPORATION 9631 GRAND IS NE
308-396 GREAT PLAINS COMMUNICATIONS, INC. 1577 PRIMROSE NE
308-397 WAUNETA TEL. CO. 1597 WAUNETA NE
308-398 WINDSTREAM COMMUNICATIONS OF THE MIDEWEST INC - NE 7816 GRAND IS NE
308-402 NE
308-411 MULTIPLE OCN LISTING MULT XXXXXXXXXX NE
308-420 BENKELMAN TEL. CO., INC. 2455 BENKELMAN NE
308-423 BENKELMAN TEL. CO., INC. 2455 BENKELMAN NE
308-425 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 FRANKLIN NE
308-428 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 GREELEY NE
308-430 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 CHADRON NE
308-432 QWEST CORPORATION 9631 CHADRON NE
308-436 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 GERING NE
308-440 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 KEARNEY NE
308-445 QWEST CORPORATION 9636 NO JULESBG NE
308-446 NEBRASKA CENTRAL TEL. CO. 1574 LITCHFIELD NE
308-447 GREAT PLAINS COMMUNICATIONS, INC. 1577 VENANGO NE
308-452 NEBRASKA CENTRAL TEL. CO. 1574 RAVENNA NE
308-453 GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM 1659 SO ARDMORE NE
308-457 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 MILLER NE
308-458 CONSOLIDATED TEL. CO. 1532 HYANNIS NE
308-464 N.E. COLORADO CELLULAR, INC. 6874 OGALLALA NE
308-467 SODTOWN COMMUNICATIONS, INC. 1590 SODTOWN NE
308-468 NEBRASKA CENTRAL TEL. CO. 1574 GIBBON NE
308-470 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 FRANKLIN NE
308-471 NE
308-472 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 BERTRAND NE
308-473 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 ORLEANS NE
308-478 GREAT PLAINS COMMUNICATIONS, INC. 1577 WILCOX NE
308-483 DALTON TEL. CO. 1537 LODGEPOLE NE
308-485 QWEST CORPORATION 9631 CAIRO NE
308-486 CONSOLIDATED TELECOM, INC. 1562 EUSTIS NE
308-487 HEMINGFORD COOP. TEL. CO. 1558 HEMINGFORD NE
308-489 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 BROADWATER NE
308-493 ARAPAHOE TEL. CO. 1516 HOLBROOK NE
308-496 NEBRASKA CENTRAL TEL. CO. 1574 NORTH LOUP NE
308-497 GREAT PLAINS COMMUNICATIONS, INC. 1577 SPALDING NE
308-511 MULTIPLE OCN LISTING MULT XXXXXXXXXX NE
308-520 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 NO PLATTE NE
308-524 TELEPORT COMMUNICATIONS AMERICA, LLC - NE 7144 SIDNEY 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.