NumberResearchThousands-blocks in 572-900
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 572-900 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 572 blocks
Most active assignees, all time — NPA 572
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-03-26 | 572-900-0XXX | 0000–0999 | Assigned | FRACTEL, LLC | 965H | MERIDIAN | OK |
| 2022-03-12 | 572-900-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - OK | 119F | MERIDIAN | OK |
| 2021-11-17 | 572-900-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OK | 409F | MERIDIAN | OK |
| — | 572-900-3XXX | 3000–3999 | Available | MERIDIAN | OK | ||
| — | 572-900-4XXX | 4000–4999 | Available | MERIDIAN | OK | ||
| — | 572-900-5XXX | 5000–5999 | Available | MERIDIAN | OK | ||
| 2023-06-29 | 572-900-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF OKLAHOMA, LLC - OK | 384H | MERIDIAN | OK |
| 2022-10-18 | 572-900-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MERIDIAN | OK |
| 2021-03-26 | 572-900-8XXX | 8000–8999 | Assigned | FRACTEL, LLC | 965H | MERIDIAN | OK |
| 2021-03-26 | 572-900-9XXX | 9000–9999 | Assigned | FRACTEL, LLC | 965H | MERIDIAN | 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.