Thousands-blocks in 989-301

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 989-301 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 989 blocks

Most active assignees, all time — NPA 989

ONVOY, LLCV - MI 2

FRONTIER NORTH, INC. - MI 2

TELEPORT COMMUNICATIONS AMERICA, LLC - MI 1

PEERLESS NETWORK OF MICHIGAN, LLC - MI 1

LEVEL 3 COMMUNICATIONS, LLC - MI 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2007-02-06	989-301-0XXX	0000–0999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	HEMLOCK	MI
2013-02-14	989-301-1XXX	1000–1999	Assigned	ONVOY, LLCV - MI	543C	HEMLOCK	MI
2017-04-20	989-301-2XXX	2000–2999	Assigned	ONVOY, LLCV - MI	543C	HEMLOCK	MI
2015-04-07	989-301-3XXX	3000–3999	Assigned	TELEPORT COMMUNICATIONS AMERICA, LLC - MI	770E	HEMLOCK	MI
2006-04-20	989-301-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - MI	6120	HEMLOCK	MI
2007-08-16	989-301-5XXX	5000–5999	Assigned	FRONTIER NORTH, INC. - MI	0695	HEMLOCK	MI
2007-08-16	989-301-6XXX	6000–6999	Assigned	FRONTIER NORTH, INC. - MI	0695	HEMLOCK	MI
—	989-301-7XXX	7000–7999	Assigned (pending)			HEMLOCK	MI
2018-12-11	989-301-8XXX	8000–8999	Assigned	BANDWIDTH.COM CLEC, LLC - MI	991E	HEMLOCK	MI
2014-04-09	989-301-9XXX	9000–9999	Assigned	PEERLESS NETWORK OF MICHIGAN, LLC - MI	933G	HEMLOCK	MI

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.