NumberResearchThousands-blocks in 334-554
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 334-554 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
Jun 2026
May 2026
Apr 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 |
|---|---|---|---|---|---|---|---|
| 2021-06-29 | 334-554-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | ELBA | AL |
| 2017-07-03 | 334-554-1XXX | 1000–1999 | Assigned | MCC TELEPHONY LLC | 593K | ELBA | AL |
| 2021-07-01 | 334-554-2XXX | 2000–2999 | Assigned | ONVOY, LLC - AL | 604E | ELBA | AL |
| 2019-10-08 | 334-554-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AL | 604E | ELBA | AL |
| 2022-10-07 | 334-554-4XXX | 4000–4999 | Assigned | COMMIO, LLC | 939H | ELBA | AL |
| 2021-02-17 | 334-554-5XXX | 5000–5999 | Assigned | ONVOY, LLC - AL | 604E | ELBA | AL |
| 2020-02-18 | 334-554-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - AL | 8271 | ELBA | AL |
| 2022-02-22 | 334-554-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AL | 604E | ELBA | AL |
| 2022-02-22 | 334-554-8XXX | 8000–8999 | Assigned | ONVOY, LLC - AL | 604E | ELBA | AL |
| 2024-02-07 | 334-554-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ELBA | AL |
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.