NumberResearchThousands-blocks in 989-724
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 989-724 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-03-18 | 989-724-0XXX | 0000–0999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | HARRISVL | MI |
| 2005-08-03 | 989-724-1XXX | 1000–1999 | Assigned | TELNET WORLDWIDE, INC. | 817J | HARRISVL | MI |
| 2023-01-30 | 989-724-2XXX | 2000–2999 | Assigned | PENINSULA FIBER NETWORK, LLC - MI | 116F | HARRISVL | MI |
| 2007-02-06 | 989-724-3XXX | 3000–3999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | HARRISVL | MI |
| 2015-04-03 | 989-724-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | HARRISVL | MI |
| — | 989-724-5XXX | 5000–5999 | Reserved | FRONTIER NORTH, INC. - MI | 0695 | HARRISVL | MI |
| — | 989-724-6XXX | 6000–6999 | Reserved | FRONTIER NORTH, INC. - MI | 0695 | HARRISVL | MI |
| — | 989-724-7XXX | 7000–7999 | Reserved | FRONTIER NORTH, INC. - MI | 0695 | HARRISVL | MI |
| 2005-05-10 | 989-724-8XXX | 8000–8999 | Assigned | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | HARRISVL | MI |
| — | 989-724-9XXX | 9000–9999 | Reserved | FRONTIER NORTH, INC. - MI | 0695 | HARRISVL | 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.