NumberResearchThousands-blocks in 501-452
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 501-452 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 501 blocks
Most active assignees, all time — NPA 501
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 |
|---|---|---|---|---|---|---|---|
| 2022-11-10 | 501-452-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | MORRILTON | AR |
| 2021-03-17 | 501-452-1XXX | 1000–1999 | Assigned | STRATUS NETWORKS | 495J | MORRILTON | AR |
| 2021-07-12 | 501-452-2XXX | 2000–2999 | Assigned | ONVOY, LLC - AR | 348F | MORRILTON | AR |
| 2021-07-12 | 501-452-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AR | 348F | MORRILTON | AR |
| 2025-05-23 | 501-452-4XXX | 4000–4999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | MORRILTON | AR |
| 2026-05-07 | 501-452-5XXX | 5000–5999 | Assigned | ONVOY, LLC - AR | 348F | MORRILTON | AR |
| 2023-11-09 | 501-452-6XXX | 6000–6999 | Assigned | VONAGE AMERICA LLC | 197D | MORRILTON | AR |
| 2024-04-15 | 501-452-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MORRILTON | AR |
| 2024-02-16 | 501-452-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | MORRILTON | AR |
| 2024-11-13 | 501-452-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | MORRILTON | AR |
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.