NumberResearchThousands-blocks in 989-528
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
The ten 1,000-number thousand-blocks inside prefix 989-528 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 assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-03-10 | 989-528-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AKRON | MI |
| 2013-02-06 | 989-528-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - MI | 991E | AKRON | MI |
| — | 989-528-2XXX | 2000–2999 | Available | AKRON | MI | ||
| 2026-05-13 | 989-528-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | AKRON | MI |
| 2025-09-10 | 989-528-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | AKRON | MI |
| 2015-06-18 | 989-528-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AKRON | MI |
| — | 989-528-6XXX | 6000–6999 | Available | AKRON | MI | ||
| 2013-07-26 | 989-528-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | AKRON | MI |
| 2004-10-18 | 989-528-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | AKRON | MI |
| — | 989-528-9XXX | 9000–9999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AKRON | 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.