NumberResearchThousands-blocks in 586-935
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 586-935 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 586 blocks
Most active assignees, all time — NPA 586
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 586-935-0XXX | 0000–0999 | Available | WASHINGTON | MI | ||
| 2005-08-05 | 586-935-1XXX | 1000–1999 | Assigned | 123.NET, LLC | 2550 | WASHINGTON | MI |
| 2006-01-04 | 586-935-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | WASHINGTON | MI |
| 2025-09-10 | 586-935-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WASHINGTON | MI |
| 2024-12-06 | 586-935-4XXX | 4000–4999 | Assigned | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | WASHINGTON | MI |
| 2021-02-01 | 586-935-5XXX | 5000–5999 | Assigned | ONVOY, LLCV - MI | 543C | WASHINGTON | MI |
| 2004-01-29 | 586-935-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | WASHINGTON | MI |
| 2007-09-11 | 586-935-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | WASHINGTON | MI |
| 2007-09-11 | 586-935-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | WASHINGTON | MI |
| — | 586-935-9XXX | 9000–9999 | Available | WASHINGTON | MI |
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.