NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 234-466

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 234-466 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 234 blocks

Most active assignees, all time — NPA 234
TWC IP ENABLED SERVICES, LLC 3
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 3
TELEPORT COMMUNICATIONS AMERICA, LLC - OH 2
TON80 COMMUNICATIONS, LLC 1
LEVEL 3 COMMUNICATIONS, LLC - OH 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
2013-06-18 234-466-0XXX 0000–0999Assigned TWC IP ENABLED SERVICES, LLC 793K MONTROSE OH
2005-06-21 234-466-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 MONTROSE OH
— 234-466-2XXX 2000–2999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 MONTROSE OH
2021-05-04 234-466-3XXX 3000–3999Assigned TON80 COMMUNICATIONS, LLC 516J MONTROSE OH
2005-07-26 234-466-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 MONTROSE OH
2006-11-13 234-466-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 MONTROSE OH
2007-01-16 234-466-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 MONTROSE OH
2015-07-23 234-466-7XXX 7000–7999Assigned TWC IP ENABLED SERVICES, LLC 793K MONTROSE OH
2016-06-09 234-466-8XXX 8000–8999Assigned TWC IP ENABLED SERVICES, LLC 793K MONTROSE OH
— 234-466-9XXX 9000–9999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 MONTROSE OH

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.