NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 540-384

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

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 540-384 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
ONVOY, LLC - VA 3
BANDWIDTH.COM CLEC, LLC - VA 3
YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 2
VERIZON VIRGINIA, INC. 2
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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2008-11-06 540-384-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F SALEM VA
2010-08-06 540-384-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F SALEM VA
2008-08-21 540-384-2XXX 2000–2999Assigned YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 367E SALEM VA
2008-08-21 540-384-3XXX 3000–3999Assigned YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 367E SALEM VA
2020-05-06 540-384-4XXX 4000–4999Assigned ONVOY, LLC - VA 138E SALEM VA
2018-08-03 540-384-5XXX 5000–5999Assigned ONVOY, LLC - VA 138E SALEM VA
— 540-384-6XXX 6000–6999Reserved VERIZON VIRGINIA, INC. 9213 SALEM VA
— 540-384-7XXX 7000–7999Reserved VERIZON VIRGINIA, INC. 9213 SALEM VA
2019-12-16 540-384-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F SALEM VA
2020-05-06 540-384-9XXX 9000–9999Assigned ONVOY, LLC - VA 138E SALEM 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.