NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 330-992

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 330-992 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
BANDWIDTH.COM CLEC, LLC - OH 3
ONVOY, LLC - OH 2
TELEPORT COMMUNICATIONS AMERICA, LLC - OH 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 1
FIRST COMMUNICATIONS, 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
2008-03-21 330-992-0XXX 0000–0999Assigned ARMSTRONG TELECOMMUNICATIONS, INC. - OH 024E NO JACKSON OH
2009-12-03 330-992-1XXX 1000–1999Assigned FIRST COMMUNICATIONS, LLC 460K NO JACKSON OH
2020-03-23 330-992-2XXX 2000–2999Assigned ONVOY, LLC - OH 464C NO JACKSON OH
2012-04-18 330-992-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7443 NO JACKSON OH
2014-01-22 330-992-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F NO JACKSON OH
2016-06-22 330-992-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F NO JACKSON OH
2016-11-18 330-992-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 NO JACKSON OH
2014-02-20 330-992-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NO JACKSON OH
2017-04-17 330-992-8XXX 8000–8999Assigned ONVOY, LLC - OH 464C NO JACKSON OH
2008-12-04 330-992-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F NO JACKSON 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.