NumberResearchThousands-blocks in 330-871
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 330-871 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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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2010-10-15 | 330-871-0XXX | 0000–0999 | Assigned | AT&T ENTERPRISES, LLC | 516C | LOUISVILLE | OH |
| 2008-09-12 | 330-871-1XXX | 1000–1999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | LOUISVILLE | OH |
| — | 330-871-2XXX | 2000–2999 | Reserved | OHIO BELL TEL CO | 9321 | LOUISVILLE | OH |
| 2006-11-14 | 330-871-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | LOUISVILLE | OH |
| 2005-08-19 | 330-871-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | LOUISVILLE | OH |
| 2008-10-15 | 330-871-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | LOUISVILLE | OH |
| 2008-04-28 | 330-871-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | LOUISVILLE | OH |
| 2004-03-12 | 330-871-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | LOUISVILLE | OH |
| 2006-10-02 | 330-871-8XXX | 8000–8999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LOUISVILLE | OH |
| 2008-12-04 | 330-871-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | LOUISVILLE | 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.