NumberResearchThousands-blocks in 580-230
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 580-230 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 580 blocks
Most active assignees, last 30 days — NPA 580
New assignments by month
Sep 2026
Aug 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 |
|---|---|---|---|---|---|---|---|
| 2005-02-23 | 580-230-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | DURANT | OK |
| — | 580-230-1XXX | 1000–1999 | Reserved | METROPCS, INC. | 5562 | DURANT | OK |
| 2003-11-28 | 580-230-2XXX | 2000–2999 | Assigned | CHICKASAW TELECOMMUNICAIONS SERVICES, INC. | 4630 | DURANT | OK |
| 2026-04-07 | 580-230-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DURANT | OK |
| 2026-09-09 | 580-230-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OK | 409F | DURANT | OK |
| — | 580-230-5XXX | 5000–5999 | Available | DURANT | OK | ||
| 2007-12-04 | 580-230-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANT | OK |
| 2006-06-05 | 580-230-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANT | OK |
| 2004-03-15 | 580-230-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANT | OK |
| — | 580-230-9XXX | 9000–9999 | Reserved | T-MOBILE USA, INC. | 6529 | DURANT | OK |
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.