NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 240-293

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 240-293 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 240 blocks

Most active assignees, all time — NPA 240
LEVEL 3 COMMUNICATIONS, LLC - MD 5
STARPOWER COMMUNICATIONS, LLC - MD 1
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 1
COMCAST IP PHONE, 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2010-09-28 240-293-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MD 071F WSNGTNZN12 MD
2002-06-19 240-293-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 WSNGTNZN12 MD
2004-12-20 240-293-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MD 6119 WSNGTNZN12 MD
2004-12-20 240-293-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MD 6119 WSNGTNZN12 MD
2003-01-23 240-293-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - MD 6119 WSNGTNZN12 MD
2006-03-13 240-293-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - MD 6119 WSNGTNZN12 MD
2005-06-30 240-293-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J WSNGTNZN12 MD
2022-12-01 240-293-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSNGTNZN12 MD
— 240-293-8XXX 8000–8999Reserved STARPOWER COMMUNICATIONS, LLC - MD 8832 WSNGTNZN12 MD
2006-06-16 240-293-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - MD 6119 WSNGTNZN12 MD

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.