NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 989-668

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 989-668 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
WESTPHALIA BROADBAND, INC. - MI 3
ONVOY, LLCV - MI 2
NEW CINGULAR WIRELESS PCS, LLC - IL 2
2
TON80 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
— 989-668-0XXX 0000–0999Reserved WESTPHALIA BROADBAND, INC. - MI 591C ST JOHNS MI
2020-02-27 989-668-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ST JOHNS MI
— 989-668-2XXX 2000–2999Assigned (pending) ST JOHNS MI
— 989-668-3XXX 3000–3999Reserved WESTPHALIA BROADBAND, INC. - MI 591C ST JOHNS MI
— 989-668-4XXX 4000–4999Reserved WESTPHALIA BROADBAND, INC. - MI 591C ST JOHNS MI
— 989-668-5XXX 5000–5999Available ST JOHNS MI
2022-03-08 989-668-6XXX 6000–6999Assigned TON80 COMMUNICATIONS, LLC 516J ST JOHNS MI
2020-10-29 989-668-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C ST JOHNS MI
2020-10-29 989-668-8XXX 8000–8999Assigned ONVOY, LLCV - MI 543C ST JOHNS MI
2025-07-31 989-668-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ST JOHNS MI

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.