NumberResearchThousands-blocks in 540-376
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 540-376 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-12-28 | 540-376-0XXX | 0000–0999 | Assigned | IDT AMERICA, CORP. - VA | 231C | FREDECKSBG | VA |
| 2010-05-27 | 540-376-1XXX | 1000–1999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | FREDECKSBG | VA |
| 2010-05-07 | 540-376-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | FREDECKSBG | VA |
| 2011-11-07 | 540-376-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FREDECKSBG | VA |
| 2011-04-22 | 540-376-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | FREDECKSBG | VA |
| 2011-04-22 | 540-376-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | FREDECKSBG | VA |
| 2009-06-11 | 540-376-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 4644 | FREDECKSBG | VA |
| 2011-09-21 | 540-376-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | FREDECKSBG | VA |
| 2010-03-10 | 540-376-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | FREDECKSBG | VA |
| 2010-05-27 | 540-376-9XXX | 9000–9999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | FREDECKSBG | 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.