NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 864-841

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 864-841 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 864 blocks

Most active assignees, all time — NPA 864
LEVEL 3 COMMUNICATIONS, LLC - SC 2
TERRA NOVA TELECOM INC. 1
TELEPORT COMMUNICATIONS AMERICA SC- LLC 1
SOUTH CAROLINA NET, INC. - SC 1
PAETEC ITEL, 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
2005-10-12 864-841-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - SC 5258 WILLIAMSTN SC
2012-06-13 864-841-1XXX 1000–1999Assigned SOUTH CAROLINA NET, INC. - SC 1784 WILLIAMSTN SC
2008-03-19 864-841-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K WILLIAMSTN SC
2008-12-01 864-841-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 8534 WILLIAMSTN SC
2023-07-12 864-841-4XXX 4000–4999Assigned TERRA NOVA TELECOM INC. 145J WILLIAMSTN SC
2007-04-24 864-841-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J WILLIAMSTN SC
2009-02-11 864-841-6XXX 6000–6999Assigned AT&T ENTERPRISES, LLC 516C WILLIAMSTN SC
2011-05-24 864-841-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C WILLIAMSTN SC
2008-11-05 864-841-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F WILLIAMSTN SC
2009-05-04 864-841-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - SC 5258 WILLIAMSTN SC

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.