NumberResearchThousands-blocks in 540-625
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 540-625 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 540 blocks
Most active assignees, last 30 days — NPA 540
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 |
|---|---|---|---|---|---|---|---|
| 2016-04-11 | 540-625-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - VA | 079F | KINGGEORGE | VA |
| 2017-03-17 | 540-625-1XXX | 1000–1999 | Assigned | ONVOY, LLC - VA | 138E | KINGGEORGE | VA |
| 2008-10-24 | 540-625-2XXX | 2000–2999 | Assigned | IDT AMERICA, CORP. - VA | 231C | KINGGEORGE | VA |
| 2026-04-08 | 540-625-3XXX | 3000–3999 | Assigned | ONVOY, LLC - VA | 138E | KINGGEORGE | VA |
| 2026-09-14 | 540-625-4XXX | 4000–4999 | Assigned | ONVOY, LLC - VA | 138E | KINGGEORGE | VA |
| 2009-02-23 | 540-625-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | KINGGEORGE | VA |
| 2024-01-10 | 540-625-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KINGGEORGE | VA |
| 2014-06-16 | 540-625-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | KINGGEORGE | VA |
| 2018-02-07 | 540-625-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF VIRGINIA, LLC - VA | 275G | KINGGEORGE | VA |
| 2017-08-31 | 540-625-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | KINGGEORGE | VA |
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.