NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 718-255

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 718-255 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 718 blocks

Most active assignees, all time — NPA 718
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 3
TWC IP ENABLED SERVICES, LLC 2
ONVOY, LLC- NY 2
YMAX COMMUNICATIONS CORP. - NY 1
LEVEL 3 TELECOM OF NEW YORK, LP - NY 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
— 718-255-0XXX 0000–0999Reserved LEVEL 3 TELECOM OF NEW YORK, LP - NY 8473 NWYRCYZN08 NY
2007-07-02 718-255-1XXX 1000–1999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN08 NY
2003-07-30 718-255-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 NWYRCYZN08 NY
2004-09-02 718-255-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 NWYRCYZN08 NY
2004-09-02 718-255-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 NWYRCYZN08 NY
2004-03-16 718-255-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - NY 4006 NWYRCYZN08 NY
2007-07-02 718-255-6XXX 6000–6999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN08 NY
2008-03-20 718-255-7XXX 7000–7999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN08 NY
2011-09-06 718-255-8XXX 8000–8999Assigned ONVOY, LLC- NY 384C NWYRCYZN08 NY
2011-09-06 718-255-9XXX 9000–9999Assigned ONVOY, LLC- NY 384C NWYRCYZN08 NY

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.