NumberResearchThousands-blocks in 989-287
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 989-287 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
Sep 2026
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 989-287-0XXX | 0000–0999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | LAKEVIEW | MI |
| — | 989-287-1XXX | 1000–1999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | LAKEVIEW | MI |
| 2007-08-07 | 989-287-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | LAKEVIEW | MI |
| 2008-08-06 | 989-287-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | LAKEVIEW | MI |
| 2009-08-27 | 989-287-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAKEVIEW | MI |
| 2009-09-30 | 989-287-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | LAKEVIEW | MI |
| 2014-07-18 | 989-287-6XXX | 6000–6999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | LAKEVIEW | MI |
| 2013-02-14 | 989-287-7XXX | 7000–7999 | Assigned | ONVOY, LLCV - MI | 543C | LAKEVIEW | MI |
| 2008-01-31 | 989-287-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | LAKEVIEW | MI |
| 2023-10-10 | 989-287-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | LAKEVIEW | 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.