NumberResearchThousands-blocks in 989-486
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
The ten 1,000-number thousand-blocks inside prefix 989-486 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-12-06 | 989-486-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | MIDLAND | MI |
| 2007-01-17 | 989-486-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MIDLAND | MI |
| 2006-03-07 | 989-486-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | MIDLAND | MI |
| 2008-03-19 | 989-486-3XXX | 3000–3999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MIDLAND | MI |
| 2025-02-20 | 989-486-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MIDLAND | MI |
| 2024-10-22 | 989-486-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MIDLAND | MI |
| 2007-12-20 | 989-486-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | MIDLAND | MI |
| 2005-03-01 | 989-486-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MIDLAND | MI |
| 2009-11-19 | 989-486-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MIDLAND | MI |
| 2011-08-08 | 989-486-9XXX | 9000–9999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MIDLAND | 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.