NumberResearchThousands-blocks in 989-748
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 989-748 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 |
|---|---|---|---|---|---|---|---|
| — | 989-748-0XXX | 0000–0999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | MI |
| — | 989-748-1XXX | 1000–1999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | MI |
| — | 989-748-2XXX | 2000–2999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | MI |
| 2021-02-04 | 989-748-3XXX | 3000–3999 | Assigned | ONVOY, LLCV - MI | 543C | GAYLORD | MI |
| — | 989-748-4XXX | 4000–4999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | MI |
| — | 989-748-5XXX | 5000–5999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | MI |
| 2012-03-19 | 989-748-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | GAYLORD | MI |
| — | 989-748-7XXX | 7000–7999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | MI |
| 2013-02-14 | 989-748-8XXX | 8000–8999 | Assigned | ONVOY, LLCV - MI | 543C | GAYLORD | MI |
| — | 989-748-9XXX | 9000–9999 | Reserved | WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | GAYLORD | 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.