NumberResearchThousands-blocks in 254-589
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 254-589 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 254 blocks
Most active assignees, all time — NPA 254
New assignments by month
Sep 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-10-28 | 254-589-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | NOLANVILLE | TX |
| 2013-05-21 | 254-589-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | NOLANVILLE | TX |
| 2013-05-21 | 254-589-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | NOLANVILLE | TX |
| 2019-10-02 | 254-589-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | NOLANVILLE | TX |
| 2019-10-02 | 254-589-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | NOLANVILLE | TX |
| 2016-02-29 | 254-589-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | NOLANVILLE | TX |
| 2010-12-03 | 254-589-6XXX | 6000–6999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | NOLANVILLE | TX |
| 2014-04-23 | 254-589-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | NOLANVILLE | TX |
| 2020-11-13 | 254-589-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | NOLANVILLE | TX |
| 2020-11-13 | 254-589-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TX | 903C | NOLANVILLE | TX |
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.