NumberResearchThousands-blocks in 407-392
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 407-392 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 407 blocks
Most active assignees, all time — NPA 407
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-03-27 | 407-392-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | GENEVA | FL |
| — | 407-392-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | GENEVA | FL |
| 2009-03-02 | 407-392-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | GENEVA | FL |
| 2004-09-07 | 407-392-3XXX | 3000–3999 | Assigned | MCI WORLDCOM COMMUNICATIONS, INC. - FL | 7448 | GENEVA | FL |
| 2005-02-22 | 407-392-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | GENEVA | FL |
| 2025-01-17 | 407-392-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM, INC. - FL | 382G | GENEVA | FL |
| 2026-06-04 | 407-392-6XXX | 6000–6999 | Assigned | AHOI LLC | 883K | GENEVA | FL |
| — | 407-392-7XXX | 7000–7999 | Available | GENEVA | FL | ||
| — | 407-392-8XXX | 8000–8999 | Available | GENEVA | FL | ||
| 2017-06-06 | 407-392-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | GENEVA | FL |
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.