NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

0 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)

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, all time — NPA 402
GREAT PLAINS COMMUNICATIONS, INC. 33
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-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
— 402-236 6XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 BYRON NE
— 402-288 0XXX7XXX8XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 CENTER NE
— 402-324 6XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 CHESTER NE
— 402-338 3XXX8XXX9XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 PAGE NE
— 402-357 7XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 WYFRYCSTHL NE
— 402-358 0XXX1XXX2XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 CREIGHTON NE
— 402-365 none assigned yet which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 DESHLER NE
— 402-373 1XXX3XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 BLOOMFIELD NE
— 402-386 9XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 PETERSBURG NE
— 402-388 7XXX8XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 CROFTON NE
— 402-425 none assigned yet which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 CROOKSTON NE
— 402-456 9XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 HERMAN NE
— 402-528 7XXX8XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 BEEMER NE
— 402-529 2XXX9XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 WISNER NE
— 402-568 none assigned yet which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 SNYDER NE
— 402-586 9XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 WAUSA NE
— 402-626 6XXX8XXX9XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 EWING NE
— 402-648 8XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 BANCROFT NE
— 402-652 1XXX6XXX9XXX · 3 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 NORTH BEND NE
— 402-655 5XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 WALNUT NE
— 402-664 4XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 SCRIBNER NE
— 402-668 0XXX8XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 VERDIGRE NE
— 402-678 4XXX8XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 ST EDWARD NE
— 402-693 9XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 DODGE NE
— 402-746 0XXX6XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 RED CLOUD NE
— 402-755 8XXX9XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 PONCA NE
— 402-776 6XXX7XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 OAKDALE NE
— 402-823 none assigned yet which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 CODY NE
— 402-843 0XXX4XXX7XXX · 3 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 ELGIN NE
— 402-847 9XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 WINNETOON NE
— 402-857 0XXX9XXX · 2 holders which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 NIOBRARA NE
— 402-966 6XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 KILGORE NE
— 402-967 8XXX which blocks → GREAT PLAINS COMMUNICATIONS, INC. 1577 WOOD LAKE NE

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.