NumberResearchThousands-blocks in 539-264
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 539-264 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 539 blocks
Most active assignees, all time — NPA 539
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-11-15 | 539-264-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - OK | 119F | KIEFER | OK |
| 2024-12-26 | 539-264-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | KIEFER | OK |
| 2026-03-27 | 539-264-2XXX | 2000–2999 | Assigned | PEERLESS NETWORK OF OKLAHOMA, LLC - OK | 384H | KIEFER | OK |
| — | 539-264-3XXX | 3000–3999 | Available | KIEFER | OK | ||
| — | 539-264-4XXX | 4000–4999 | Available | KIEFER | OK | ||
| — | 539-264-5XXX | 5000–5999 | Available | KIEFER | OK | ||
| — | 539-264-6XXX | 6000–6999 | Available | KIEFER | OK | ||
| — | 539-264-7XXX | 7000–7999 | Available | KIEFER | OK | ||
| — | 539-264-8XXX | 8000–8999 | Available | KIEFER | OK | ||
| 2021-12-13 | 539-264-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OK | 119F | KIEFER | OK |
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.