NumberResearchThousands-blocks in 330-286
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 330-286 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
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 330-286-0XXX | 0000–0999 | Reserved | PAETEC ITEL, LLC | 829J | CANFIELD | OH |
| — | 330-286-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | CANFIELD | OH |
| 2015-06-25 | 330-286-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | CANFIELD | OH |
| 2007-08-31 | 330-286-3XXX | 3000–3999 | Assigned | ARMSTRONG TELECOMMUNICATIONS, INC. - OH | 024E | CANFIELD | OH |
| 2008-04-09 | 330-286-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CANFIELD | OH |
| 2004-07-23 | 330-286-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CANFIELD | OH |
| 2021-09-08 | 330-286-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CANFIELD | OH |
| 2008-08-27 | 330-286-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | CANFIELD | OH |
| 2008-12-08 | 330-286-8XXX | 8000–8999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | CANFIELD | OH |
| 2005-03-02 | 330-286-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | CANFIELD | 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.