NumberResearchThousands-blocks in 334-408
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 334-408 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 334 blocks
Most active assignees, all time — NPA 334
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-11-11 | 334-408-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | PHENIXCITY | AL |
| 2004-12-14 | 334-408-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | PHENIXCITY | AL |
| 2005-11-11 | 334-408-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | PHENIXCITY | AL |
| 2006-11-27 | 334-408-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7221 | PHENIXCITY | AL |
| — | 334-408-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | PHENIXCITY | AL |
| 2008-02-28 | 334-408-5XXX | 5000–5999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | PHENIXCITY | AL |
| 2009-03-30 | 334-408-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - AL | 8271 | PHENIXCITY | AL |
| 2010-02-10 | 334-408-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - AL | 072F | PHENIXCITY | AL |
| 2008-08-12 | 334-408-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PHENIXCITY | AL |
| 2006-11-07 | 334-408-9XXX | 9000–9999 | Assigned | WOW! INTERNET, CABLE AND PHONE | 961J | PHENIXCITY | AL |
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.