NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 256-465

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 256-465 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 256 blocks

Most active assignees, all time — NPA 256
CORETEL ALABAMA, INC. - AL 4
ONVOY, LLC - AL 2
TELEPORT COMMUNICATIONS AMERICA, LLC - AL 1
NEW CINGULAR WIRELESS PCS, LLC - GA 1
COMMIO, LLC 1
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 thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 256-465-0XXX 0000–0999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 FORT PAYNE AL
2005-11-21 256-465-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FORT PAYNE AL
2019-04-05 256-465-2XXX 2000–2999Assigned CORETEL ALABAMA, INC. - AL 476F FORT PAYNE AL
2019-04-05 256-465-3XXX 3000–3999Assigned CORETEL ALABAMA, INC. - AL 476F FORT PAYNE AL
2019-04-05 256-465-4XXX 4000–4999Assigned CORETEL ALABAMA, INC. - AL 476F FORT PAYNE AL
2010-07-16 256-465-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C FORT PAYNE AL
2019-04-05 256-465-6XXX 6000–6999Assigned CORETEL ALABAMA, INC. - AL 476F FORT PAYNE AL
2021-05-24 256-465-7XXX 7000–7999Assigned ONVOY, LLC - AL 604E FORT PAYNE AL
2021-08-17 256-465-8XXX 8000–8999Assigned ONVOY, LLC - AL 604E FORT PAYNE AL
2022-06-28 256-465-9XXX 9000–9999Assigned COMMIO, LLC 939H FORT PAYNE AL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.