NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 401-262

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 401-262 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 401 blocks

Most active assignees, all time — NPA 401
NEW CINGULAR WIRELESS PCS, LLC - DC 3
LEVEL 3 COMMUNICATIONS, LLC - RI 3
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2
PAETEC ITEL, LLC 1
ONVOY, LLC - RI 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
2005-01-17 401-262-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - RI 4016 W WARWICK RI
2015-05-22 401-262-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W WARWICK RI
2004-11-18 401-262-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J W WARWICK RI
2012-03-16 401-262-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 W WARWICK RI
2003-01-24 401-262-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - RI 4016 W WARWICK RI
2005-02-03 401-262-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - RI 4016 W WARWICK RI
2015-12-10 401-262-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W WARWICK RI
2015-12-10 401-262-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W WARWICK RI
2017-04-28 401-262-8XXX 8000–8999Assigned ONVOY, LLC - RI 977E W WARWICK RI
— 401-262-9XXX 9000–9999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 W WARWICK RI

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.