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
308-525 GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM 1659 SOOELRICHS NE
308-527 NEBRASKA CENTRAL TEL. CO. 1574 SARGENT NE
308-529 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 GOTHENBURG NE
308-530 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 NO PLATTE NE
308-531 NE
308-532 QWEST CORPORATION 9631 NO PLATTE NE
308-533 CONSOLIDATED TEL. CO. 1532 THEDFORD NE
308-534 QWEST CORPORATION 9631 NO PLATTE NE
308-535 QWEST CORPORATION 9631 NO PLATTE NE
308-536 QWEST CORPORATION 9631 FULLERTON NE
308-537 QWEST CORPORATION 9631 GOTHENBURG NE
308-538 CONSOLIDATED TEL. CO. 1532 DUNNING NE
308-539 UNITED STATES CELLULAR - NE 6263 NO PLATTE NE
308-544 CONSOLIDATED TEL. CO. 1532 HYANNIS NE
308-546 CONSOLIDATED TEL. CO. 1532 MULLEN NE
308-547 CONSOLIDATED TEL. CO. 1532 BREWSTER NE
308-548 NORTHEAST NEBRASKA TEL. CO. 1576 CLARKS NE
308-550 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 FULLERTON NE
308-555 MULTIPLE OCN LISTING MULT DIR ASST NE
308-558 NE
308-563 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 HEARTWELL NE
308-567 GREAT PLAINS COMMUNICATIONS, INC. 1577 HUNTLERGAN NE
308-569 ARAPAHOE TEL. CO. 1516 FARNAM NE
308-577 CONSOLIDATED TEL. CO. 1532 HYANNIS NE
308-582 CONSOLIDATED TELECOM, INC. 1562 MAXWELL NE
308-583 QWEST CORPORATION 9631 WOOD RIVER NE
308-584 CONSOLIDATED TELECOM, INC. 1562 BRADY NE
308-586 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 BAYARD NE
308-587 GREAT PLAINS COMMUNICATIONS, INC. 1577 TRYON NE
308-588 CONSOLIDATED TEL. CO. 1532 HYANNIS NE
308-589 UNITED STATES CELLULAR - NE 6263 GRAND IS NE
308-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX NE
308-623 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 MITCHELL NE
308-628 NEBRASKA CENTRAL TEL. CO. 1574 COMSTOCK NE
308-630 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 SCOTSBLUFF NE
308-631 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 SCOTSBLUFF NE
308-632 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 SCOTSBLUFF NE
308-635 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 SCOTSBLUFF NE
308-636 GREAT PLAINS COMMUNICATIONS, INC. 1577 STAPLETON NE
308-637 N.E. COLORADO CELLULAR, INC. 6874 SCOTSBLUFF NE
308-638 GREAT PLAINS COMMUNICATIONS, INC. 1577 HAYSPRINGS NE
308-639 CONSOLIDATED TEL. CO. 1532 THEDFORD NE
308-640 N.E. COLORADO CELLULAR, INC. 6874 GOTHENBURG NE
308-641 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 SCOTSBLUFF NE
308-643 CONSOLIDATED TEL. CO. 1532 MERNA NE
308-645 CONSOLIDATED TEL. CO. 1532 THEDFORD NE
308-646 LEVEL 3 COMMUNICATIONS, LLC - NE 3233 GRAND IS NE
308-647 NEBRASKA CENTRAL TEL. CO. 1574 SHELTON NE
308-650 N.E. COLORADO CELLULAR, INC. 6874 NO PLATTE NE
308-651 N.E. COLORADO CELLULAR, INC. 6874 LEXINGTON 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.