NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 989-826

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 989-826 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
FRONTIER NORTH, INC. - MI 6
TELNET WORLDWIDE, INC. 1
ONVOY, LLCV - MI 1
LEVEL 3 COMMUNICATIONS, LLC - MI 1
123.NET, 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
2005-08-03 989-826-0XXX 0000–0999Assigned TELNET WORLDWIDE, INC. 817J MIO MI
— 989-826-1XXX 1000–1999Reserved FRONTIER NORTH, INC. - MI 0695 MIO MI
— 989-826-2XXX 2000–2999Reserved FRONTIER NORTH, INC. - MI 0695 MIO MI
— 989-826-3XXX 3000–3999Reserved FRONTIER NORTH, INC. - MI 0695 MIO MI
2015-04-02 989-826-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 MIO MI
— 989-826-5XXX 5000–5999Reserved FRONTIER NORTH, INC. - MI 0695 MIO MI
— 989-826-6XXX 6000–6999Reserved FRONTIER NORTH, INC. - MI 0695 MIO MI
2013-02-14 989-826-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C MIO MI
— 989-826-8XXX 8000–8999Reserved FRONTIER NORTH, INC. - MI 0695 MIO MI
2006-11-03 989-826-9XXX 9000–9999Assigned 123.NET, LLC 2550 MIO 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.