NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 330-236

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

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

The ten 1,000-number thousand-blocks inside prefix 330-236 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 330 blocks

Most active assignees, all time — NPA 330
LEVEL 3 COMMUNICATIONS, LLC - OH 4
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 2
TELNYX LLC 1
PAETEC ITEL, LLC 1
MCIMETRO ACCESS TRANSMISSION SERVICES 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
2004-12-28 330-236-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 MASSILLON OH
2008-04-16 330-236-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 MASSILLON OH
2005-04-20 330-236-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 MASSILLON OH
2006-04-18 330-236-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J MASSILLON OH
— 330-236-4XXX 4000–4999Reserved LEVEL 3 COMMUNICATIONS, LLC - OH 4863 MASSILLON OH
2005-08-19 330-236-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 MASSILLON OH
2015-12-31 330-236-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 MASSILLON OH
2014-05-02 330-236-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MASSILLON OH
2017-03-20 330-236-8XXX 8000–8999Assigned TELNYX LLC 073H MASSILLON OH
2015-02-11 330-236-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 MASSILLON OH

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.