NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 989-912

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 989-912 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
NEW CINGULAR WIRELESS PCS, LLC - IL 3
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2
LEVEL 3 COMMUNICATIONS, LLC - MI 1
CLEAR RATE COMMUNICATIONS, LLC 1
CHARTER IP ENABLED SERVICES, 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
— 989-912-0XXX 0000–0999Reserved NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CASS CITY MI
2003-02-13 989-912-1XXX 1000–1999Assigned 123.NET, LLC 2550 CASS CITY MI
2007-07-10 989-912-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K CASS CITY MI
2012-06-13 989-912-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E CASS CITY MI
2011-02-18 989-912-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CASS CITY MI
2009-09-17 989-912-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CASS CITY MI
2006-03-24 989-912-6XXX 6000–6999Assigned CLEAR RATE COMMUNICATIONS, LLC 046L CASS CITY MI
2006-11-08 989-912-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 CASS CITY MI
2008-01-23 989-912-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CASS CITY MI
2007-10-23 989-912-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CASS CITY 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.