NumberResearchThousands-blocks in 334-542
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 334-542 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
Sep 2026
Aug 2026
Jul 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-03-10 | 334-542-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | RED LEVEL | AL |
| 2017-04-25 | 334-542-1XXX | 1000–1999 | Assigned | MCC TELEPHONY LLC | 593K | RED LEVEL | AL |
| 2020-03-10 | 334-542-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | RED LEVEL | AL |
| 2008-11-17 | 334-542-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | RED LEVEL | AL |
| 2019-10-08 | 334-542-4XXX | 4000–4999 | Assigned | ONVOY, LLC - AL | 604E | RED LEVEL | AL |
| 2024-02-07 | 334-542-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | RED LEVEL | AL |
| 2021-06-29 | 334-542-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | RED LEVEL | AL |
| 2013-08-08 | 334-542-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | RED LEVEL | AL |
| 2021-02-17 | 334-542-8XXX | 8000–8999 | Assigned | ONVOY, LLC - AL | 604E | RED LEVEL | AL |
| 2013-05-07 | 334-542-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | RED LEVEL | 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.