NumberResearchThousands-blocks in 423-925
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 423-925 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 423 blocks
Most active assignees, last 30 days — NPA 423
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 |
|---|---|---|---|---|---|---|---|
| 2022-07-13 | 423-925-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | LAFOLLETTE | TN |
| 2023-02-06 | 423-925-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TN | 525E | LAFOLLETTE | TN |
| 2023-08-10 | 423-925-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TN | 525E | LAFOLLETTE | TN |
| 2024-02-26 | 423-925-3XXX | 3000–3999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | LAFOLLETTE | TN |
| 2024-02-26 | 423-925-4XXX | 4000–4999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | LAFOLLETTE | TN |
| 2022-03-23 | 423-925-5XXX | 5000–5999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | LAFOLLETTE | TN |
| 2026-07-09 | 423-925-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | LAFOLLETTE | TN |
| 2026-09-03 | 423-925-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | LAFOLLETTE | TN |
| 2024-02-26 | 423-925-8XXX | 8000–8999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | LAFOLLETTE | TN |
| 2023-05-18 | 423-925-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LAFOLLETTE | TN |
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.