NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 540-707

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

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

The ten 1,000-number thousand-blocks inside prefix 540-707 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
LEVEL 3 COMMUNICATIONS, LLC - VA 4
PEERLESS NETWORK OF VIRGINIA, LLC - VA 3
NEW CINGULAR WIRELESS PCS, LLC - DC 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 1
CENTURYLINK COMMUNICATIONS, LLC 1
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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2010-10-24 540-707-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 BEDFORD VA
2010-10-24 540-707-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 BEDFORD VA
2014-12-01 540-707-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 BEDFORD VA
— 540-707-3XXX 3000–3999Reserved LEVEL 3 COMMUNICATIONS, LLC - VA 8825 BEDFORD VA
2015-03-25 540-707-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BEDFORD VA
2018-09-14 540-707-5XXX 5000–5999Assigned PEERLESS NETWORK OF VIRGINIA, LLC - VA 275G BEDFORD VA
2021-03-24 540-707-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BEDFORD VA
2014-01-21 540-707-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J BEDFORD VA
2021-03-02 540-707-8XXX 8000–8999Assigned PEERLESS NETWORK OF VIRGINIA, LLC - VA 275G BEDFORD VA
2015-12-23 540-707-9XXX 9000–9999Assigned PEERLESS NETWORK OF VIRGINIA, LLC - VA 275G BEDFORD 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.