NumberResearchThousands-blocks in 539-372
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 539-372 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, last 30 days — NPA 539
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-01-27 | 539-372-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OK | 409F | CLAREMORE | OK |
| 2026-05-06 | 539-372-1XXX | 1000–1999 | Assigned | ONVOY, LLC - OK | 409F | CLAREMORE | OK |
| 2026-06-29 | 539-372-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | CLAREMORE | OK |
| 2026-07-21 | 539-372-3XXX | 3000–3999 | Assigned | ONVOY, LLC - OK | 409F | CLAREMORE | OK |
| 2026-07-21 | 539-372-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OK | 409F | CLAREMORE | OK |
| 2026-01-06 | 539-372-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | CLAREMORE | OK |
| 2026-08-26 | 539-372-6XXX | 6000–6999 | Assigned | ONVOY, LLC - OK | 409F | CLAREMORE | OK |
| 2026-09-18 | 539-372-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA OK - LLC | 530C | CLAREMORE | OK |
| — | 539-372-8XXX | 8000–8999 | Available | CLAREMORE | OK | ||
| — | 539-372-9XXX | 9000–9999 | Available | CLAREMORE | 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.