NumberResearch Membership · Data 09/21/2026

Thousands-blocks in 906-384

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/21/2026

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

The ten 1,000-number thousand-blocks inside prefix 906-384 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 906 blocks

Most active assignees, all time — NPA 906
ONVOY, LLCV - MI 4
PENINSULA FIBER NETWORK, LLC - MI 1
ONVOY SPECTRUM, LLC 1
MICHIGAN BELL TEL CO 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 906-384-0XXX 0000–0999Available CORNELL MI
2013-08-15 906-384-1XXX 1000–1999Assigned PENINSULA FIBER NETWORK, LLC - MI 116F CORNELL MI
2021-02-03 906-384-2XXX 2000–2999Assigned ONVOY, LLCV - MI 543C CORNELL MI
2018-12-06 906-384-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C CORNELL MI
2020-08-13 906-384-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C CORNELL MI
2024-05-21 906-384-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H CORNELL MI
— 906-384-6XXX 6000–6999Reserved MICHIGAN BELL TEL CO 9323 CORNELL MI
2018-02-02 906-384-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 CORNELL MI
2021-02-03 906-384-8XXX 8000–8999Assigned ONVOY, LLCV - MI 543C CORNELL MI
2023-08-25 906-384-9XXX 9000–9999Assigned AT&T ENTERPRISES, LLC 516C CORNELL MI

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.