NumberResearchThousands-blocks in 330-587
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 330-587 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 |
|---|---|---|---|---|---|---|---|
| — | 330-587-0XXX | 0000–0999 | Reserved | PAETEC ITEL, LLC | 829J | HARTVILLE | OH |
| — | 330-587-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | HARTVILLE | OH |
| 2013-06-13 | 330-587-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | HARTVILLE | OH |
| 2013-07-15 | 330-587-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | HARTVILLE | OH |
| 2006-10-02 | 330-587-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | HARTVILLE | OH |
| 2014-03-07 | 330-587-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | HARTVILLE | OH |
| 2013-03-20 | 330-587-6XXX | 6000–6999 | Assigned | ONVOY, LLC - OH | 464C | HARTVILLE | OH |
| 2003-12-12 | 330-587-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | HARTVILLE | OH |
| 2012-02-22 | 330-587-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | HARTVILLE | OH |
| 2013-11-19 | 330-587-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | HARTVILLE | 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.