NumberResearchThousands-blocks in 540-808
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 540-808 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, all time — 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 |
|---|---|---|---|---|---|---|---|
| 2006-07-27 | 540-808-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | BLACKSBURG | VA |
| 2005-05-02 | 540-808-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | BLACKSBURG | VA |
| 2006-07-27 | 540-808-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | BLACKSBURG | VA |
| 2007-08-08 | 540-808-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
| 2002-05-28 | 540-808-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | BLACKSBURG | VA |
| 2006-09-07 | 540-808-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
| 2007-02-07 | 540-808-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
| 2005-07-15 | 540-808-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
| 2004-12-08 | 540-808-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
| 2005-07-15 | 540-808-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
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.