NumberResearchThousands-blocks in 330-657
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 330-657 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 330 blocks
Most active assignees, all time — NPA 330
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-07-07 | 330-657-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PENINSULA | OH |
| — | 330-657-1XXX | 1000–1999 | Reserved | WINDSTREAM WESTERN RESERVE, INC. | 0666 | PENINSULA | OH |
| — | 330-657-2XXX | 2000–2999 | Reserved | WINDSTREAM WESTERN RESERVE, INC. | 0666 | PENINSULA | OH |
| — | 330-657-3XXX | 3000–3999 | Available | PENINSULA | OH | ||
| 2007-05-02 | 330-657-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | PENINSULA | OH |
| — | 330-657-5XXX | 5000–5999 | Available | PENINSULA | OH | ||
| — | 330-657-6XXX | 6000–6999 | Available | PENINSULA | OH | ||
| 2015-04-27 | 330-657-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | PENINSULA | OH |
| 2013-11-27 | 330-657-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | PENINSULA | OH |
| — | 330-657-9XXX | 9000–9999 | Reserved | WINDSTREAM WESTERN RESERVE, INC. | 0666 | PENINSULA | OH |
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.